561291255

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:810

約数の個数: 128

約数和(自身を含む): 1230028800

約数和(自身を除く): 668737545

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 43, 45, 57, 63, 95, 105, 129, 133, 135, 171, 189, 215, 285, 301, 315, 387, 399, 513, 645, 665, 727, 817, 855, 903, 945, 1161, 1197, 1505, 1935, 1995, 2181, 2451, 2565, 2709, 3591, 3635, 4085, 4515, 5089, 5719, 5805, 5985, 6543, 7353, 8127, 10905, 12255, 13545, 13813, 15267, 17157, 17955, 19629, 22059, 25445, 28595, 31261, 32715, 36765, 40635, 41439, 45801, 51471, 69065, 76335, 85785, 93783, 96691, 98145, 110295, 124317, 137403, 154413, 156305, 207195, 218827, 229005, 257355, 281349, 290073, 372951, 468915, 483455, 593959, 621585, 656481, 687015, 772065, 844047, 870219, 1094135, 1406745, 1450365, 1781877, 1864755, 1969443, 2610657, 2969795, 3282405, 4157713, 4220235, 4351095, 5345631, 5908329, 8909385, 9847215, 12473139, 13053285, 16036893, 20788565, 26728155, 29541645, 37419417, 62365695, 80184465, 112258251, 187097085, 561291255]

約数ペア:

[(1, 561291255), (3, 187097085), (5, 112258251), (7, 80184465), (9, 62365695), (15, 37419417), (19, 29541645), (21, 26728155), (27, 20788565), (35, 16036893), (43, 13053285), (45, 12473139), (57, 9847215), (63, 8909385), (95, 5908329), (105, 5345631), (129, 4351095), (133, 4220235), (135, 4157713), (171, 3282405), (189, 2969795), (215, 2610657), (285, 1969443), (301, 1864755), (315, 1781877), (387, 1450365), (399, 1406745), (513, 1094135), (645, 870219), (665, 844047), (727, 772065), (817, 687015), (855, 656481), (903, 621585), (945, 593959), (1161, 483455), (1197, 468915), (1505, 372951), (1935, 290073), (1995, 281349), (2181, 257355), (2451, 229005), (2565, 218827), (2709, 207195), (3591, 156305), (3635, 154413), (4085, 137403), (4515, 124317), (5089, 110295), (5719, 98145), (5805, 96691), (5985, 93783), (6543, 85785), (7353, 76335), (8127, 69065), (10905, 51471), (12255, 45801), (13545, 41439), (13813, 40635), (15267, 36765), (17157, 32715), (17955, 31261), (19629, 28595), (22059, 25445)]