2490345

素因数分解:

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

素因数の和:84

約数の個数: 80

約数和(自身を含む): 5366592

約数和(自身を除く): 2876247

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 43, 45, 55, 65, 81, 99, 117, 129, 135, 143, 165, 195, 215, 297, 351, 387, 405, 429, 473, 495, 559, 585, 645, 715, 891, 1053, 1161, 1287, 1419, 1485, 1677, 1755, 1935, 2145, 2365, 2795, 3483, 3861, 4257, 4455, 5031, 5265, 5805, 6149, 6435, 7095, 8385, 11583, 12771, 15093, 17415, 18447, 19305, 21285, 25155, 30745, 38313, 45279, 55341, 57915, 63855, 75465, 92235, 166023, 191565, 226395, 276705, 498069, 830115, 2490345]

約数ペア:

[(1, 2490345), (3, 830115), (5, 498069), (9, 276705), (11, 226395), (13, 191565), (15, 166023), (27, 92235), (33, 75465), (39, 63855), (43, 57915), (45, 55341), (55, 45279), (65, 38313), (81, 30745), (99, 25155), (117, 21285), (129, 19305), (135, 18447), (143, 17415), (165, 15093), (195, 12771), (215, 11583), (297, 8385), (351, 7095), (387, 6435), (405, 6149), (429, 5805), (473, 5265), (495, 5031), (559, 4455), (585, 4257), (645, 3861), (715, 3483), (891, 2795), (1053, 2365), (1161, 2145), (1287, 1935), (1419, 1755), (1485, 1677)]