40777545

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 67313664

約数和(自身を除く): 26536119

約数列:

[1, 3, 5, 15, 43, 129, 191, 215, 331, 573, 645, 955, 993, 1655, 2865, 4965, 8213, 14233, 24639, 41065, 42699, 63221, 71165, 123195, 189663, 213495, 316105, 948315, 2718503, 8155509, 13592515, 40777545]

約数ペア:

[(1, 40777545), (3, 13592515), (5, 8155509), (15, 2718503), (43, 948315), (129, 316105), (191, 213495), (215, 189663), (331, 123195), (573, 71165), (645, 63221), (955, 42699), (993, 41065), (1655, 24639), (2865, 14233), (4965, 8213)]