20180209725

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{176903}}^1$

素因数の和:176948

約数の個数: 72

約数和(自身を含む): 40143055680

約数和(自身を除く): 19962845955

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 169, 195, 225, 325, 351, 507, 585, 675, 845, 975, 1521, 1755, 2535, 2925, 4225, 4563, 7605, 8775, 12675, 22815, 38025, 114075, 176903, 530709, 884515, 1592127, 2299739, 2653545, 4422575, 4776381, 6899217, 7960635, 11498695, 13267725, 20697651, 23881905, 29896607, 34496085, 39803175, 57493475, 62092953, 89689821, 103488255, 119409525, 149483035, 172480425, 269069463, 310464765, 448449105, 517441275, 747415175, 807208389, 1345347315, 1552323825, 2242245525, 4036041945, 6726736575, 20180209725]

約数ペア:

[(1, 20180209725), (3, 6726736575), (5, 4036041945), (9, 2242245525), (13, 1552323825), (15, 1345347315), (25, 807208389), (27, 747415175), (39, 517441275), (45, 448449105), (65, 310464765), (75, 269069463), (117, 172480425), (135, 149483035), (169, 119409525), (195, 103488255), (225, 89689821), (325, 62092953), (351, 57493475), (507, 39803175), (585, 34496085), (675, 29896607), (845, 23881905), (975, 20697651), (1521, 13267725), (1755, 11498695), (2535, 7960635), (2925, 6899217), (4225, 4776381), (4563, 4422575), (7605, 2653545), (8775, 2299739), (12675, 1592127), (22815, 884515), (38025, 530709), (114075, 176903)]