13385025

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 26307840

約数和(自身を除く): 12922815

約数列:

[1, 3, 5, 9, 15, 19, 25, 31, 45, 57, 75, 93, 95, 101, 155, 171, 225, 279, 285, 303, 465, 475, 505, 589, 775, 855, 909, 1395, 1425, 1515, 1767, 1919, 2325, 2525, 2945, 3131, 4275, 4545, 5301, 5757, 6975, 7575, 8835, 9393, 9595, 14725, 15655, 17271, 22725, 26505, 28179, 28785, 44175, 46965, 47975, 59489, 78275, 86355, 132525, 140895, 143925, 178467, 234825, 297445, 431775, 535401, 704475, 892335, 1487225, 2677005, 4461675, 13385025]

約数ペア:

[(1, 13385025), (3, 4461675), (5, 2677005), (9, 1487225), (15, 892335), (19, 704475), (25, 535401), (31, 431775), (45, 297445), (57, 234825), (75, 178467), (93, 143925), (95, 140895), (101, 132525), (155, 86355), (171, 78275), (225, 59489), (279, 47975), (285, 46965), (303, 44175), (465, 28785), (475, 28179), (505, 26505), (589, 22725), (775, 17271), (855, 15655), (909, 14725), (1395, 9595), (1425, 9393), (1515, 8835), (1767, 7575), (1919, 6975), (2325, 5757), (2525, 5301), (2945, 4545), (3131, 4275)]