221640705

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 160

約数和(自身を含む): 482993280

約数和(自身を除く): 261352575

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 43, 45, 55, 65, 81, 89, 99, 117, 129, 135, 143, 165, 195, 215, 267, 297, 351, 387, 405, 429, 445, 473, 495, 559, 585, 645, 715, 801, 891, 979, 1053, 1157, 1161, 1287, 1335, 1419, 1485, 1677, 1755, 1935, 2145, 2365, 2403, 2795, 2937, 3471, 3483, 3827, 3861, 4005, 4257, 4455, 4895, 5031, 5265, 5785, 5805, 6149, 6435, 7095, 7209, 8385, 8811, 10413, 11481, 11583, 12015, 12727, 12771, 14685, 15093, 17355, 17415, 18447, 19135, 19305, 21285, 25155, 26433, 30745, 31239, 34443, 36045, 38181, 38313, 42097, 44055, 45279, 49751, 52065, 55341, 57405, 57915, 63635, 63855, 75465, 79299, 92235, 93717, 103329, 114543, 126291, 132165, 149253, 156195, 166023, 172215, 190905, 191565, 210485, 226395, 248755, 276705, 309987, 343629, 378873, 396495, 447759, 468585, 498069, 516645, 547261, 572715, 631455, 746265, 830115, 1030887, 1136619, 1343277, 1549935, 1641783, 1718145, 1894365, 2238795, 2490345, 2736305, 3409857, 4029831, 4925349, 5154435, 5683095, 6716385, 8208915, 14776047, 17049285, 20149155, 24626745, 44328141, 73880235, 221640705]

約数ペア:

[(1, 221640705), (3, 73880235), (5, 44328141), (9, 24626745), (11, 20149155), (13, 17049285), (15, 14776047), (27, 8208915), (33, 6716385), (39, 5683095), (43, 5154435), (45, 4925349), (55, 4029831), (65, 3409857), (81, 2736305), (89, 2490345), (99, 2238795), (117, 1894365), (129, 1718145), (135, 1641783), (143, 1549935), (165, 1343277), (195, 1136619), (215, 1030887), (267, 830115), (297, 746265), (351, 631455), (387, 572715), (405, 547261), (429, 516645), (445, 498069), (473, 468585), (495, 447759), (559, 396495), (585, 378873), (645, 343629), (715, 309987), (801, 276705), (891, 248755), (979, 226395), (1053, 210485), (1157, 191565), (1161, 190905), (1287, 172215), (1335, 166023), (1419, 156195), (1485, 149253), (1677, 132165), (1755, 126291), (1935, 114543), (2145, 103329), (2365, 93717), (2403, 92235), (2795, 79299), (2937, 75465), (3471, 63855), (3483, 63635), (3827, 57915), (3861, 57405), (4005, 55341), (4257, 52065), (4455, 49751), (4895, 45279), (5031, 44055), (5265, 42097), (5785, 38313), (5805, 38181), (6149, 36045), (6435, 34443), (7095, 31239), (7209, 30745), (8385, 26433), (8811, 25155), (10413, 21285), (11481, 19305), (11583, 19135), (12015, 18447), (12727, 17415), (12771, 17355), (14685, 15093)]