40627515

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2211

約数の個数: 32

約数和(自身を含む): 68769792

約数和(自身を除く): 28142277

約数列:

[1, 3, 5, 15, 31, 41, 93, 123, 155, 205, 465, 615, 1271, 2131, 3813, 6355, 6393, 10655, 19065, 31965, 66061, 87371, 198183, 262113, 330305, 436855, 990915, 1310565, 2708501, 8125503, 13542505, 40627515]

約数ペア:

[(1, 40627515), (3, 13542505), (5, 8125503), (15, 2708501), (31, 1310565), (41, 990915), (93, 436855), (123, 330305), (155, 262113), (205, 198183), (465, 87371), (615, 66061), (1271, 31965), (2131, 19065), (3813, 10655), (6355, 6393)]