81767925

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 159394560

約数和(自身を除く): 77626635

約数列:

[1, 3, 5, 9, 15, 19, 25, 31, 45, 57, 75, 93, 95, 155, 171, 225, 279, 285, 465, 475, 589, 617, 775, 855, 1395, 1425, 1767, 1851, 2325, 2945, 3085, 4275, 5301, 5553, 6975, 8835, 9255, 11723, 14725, 15425, 19127, 26505, 27765, 35169, 44175, 46275, 57381, 58615, 95635, 105507, 132525, 138825, 172143, 175845, 286905, 293075, 363413, 478175, 527535, 860715, 879225, 1090239, 1434525, 1817065, 2637675, 3270717, 4303575, 5451195, 9085325, 16353585, 27255975, 81767925]

約数ペア:

[(1, 81767925), (3, 27255975), (5, 16353585), (9, 9085325), (15, 5451195), (19, 4303575), (25, 3270717), (31, 2637675), (45, 1817065), (57, 1434525), (75, 1090239), (93, 879225), (95, 860715), (155, 527535), (171, 478175), (225, 363413), (279, 293075), (285, 286905), (465, 175845), (475, 172143), (589, 138825), (617, 132525), (775, 105507), (855, 95635), (1395, 58615), (1425, 57381), (1767, 46275), (1851, 44175), (2325, 35169), (2945, 27765), (3085, 26505), (4275, 19127), (5301, 15425), (5553, 14725), (6975, 11723), (8835, 9255)]