54200025

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 107939520

約数和(自身を除く): 53739495

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 61, 75, 99, 165, 183, 225, 275, 305, 359, 495, 549, 671, 825, 915, 1077, 1525, 1795, 2013, 2475, 2745, 3231, 3355, 3949, 4575, 5385, 6039, 8975, 10065, 11847, 13725, 16155, 16775, 19745, 21899, 26925, 30195, 35541, 50325, 59235, 65697, 80775, 98725, 109495, 150975, 177705, 197091, 240889, 296175, 328485, 547475, 722667, 888525, 985455, 1204445, 1642425, 2168001, 3613335, 4927275, 6022225, 10840005, 18066675, 54200025]

約数ペア:

[(1, 54200025), (3, 18066675), (5, 10840005), (9, 6022225), (11, 4927275), (15, 3613335), (25, 2168001), (33, 1642425), (45, 1204445), (55, 985455), (61, 888525), (75, 722667), (99, 547475), (165, 328485), (183, 296175), (225, 240889), (275, 197091), (305, 177705), (359, 150975), (495, 109495), (549, 98725), (671, 80775), (825, 65697), (915, 59235), (1077, 50325), (1525, 35541), (1795, 30195), (2013, 26925), (2475, 21899), (2745, 19745), (3231, 16775), (3355, 16155), (3949, 13725), (4575, 11847), (5385, 10065), (6039, 8975)]