81275490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29131}}^1$

素因数の和:29175

約数の個数: 48

約数和(自身を含む): 218140416

約数和(自身を除く): 136864926

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 29131, 58262, 87393, 145655, 174786, 262179, 291310, 436965, 524358, 873930, 903061, 1310895, 1806122, 2621790, 2709183, 4515305, 5418366, 8127549, 9030610, 13545915, 16255098, 27091830, 40637745, 81275490]

約数ペア:

[(1, 81275490), (2, 40637745), (3, 27091830), (5, 16255098), (6, 13545915), (9, 9030610), (10, 8127549), (15, 5418366), (18, 4515305), (30, 2709183), (31, 2621790), (45, 1806122), (62, 1310895), (90, 903061), (93, 873930), (155, 524358), (186, 436965), (279, 291310), (310, 262179), (465, 174786), (558, 145655), (930, 87393), (1395, 58262), (2790, 29131)]