399331395

素因数分解:

$3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{31357}}^1$

素因数の和:31651

約数の個数: 24

約数和(自身を含む): 694642416

約数和(自身を除く): 295311021

約数列:

[1, 3, 5, 9, 15, 45, 283, 849, 1415, 2547, 4245, 12735, 31357, 94071, 156785, 282213, 470355, 1411065, 8874031, 26622093, 44370155, 79866279, 133110465, 399331395]

約数ペア:

[(1, 399331395), (3, 133110465), (5, 79866279), (9, 44370155), (15, 26622093), (45, 8874031), (283, 1411065), (849, 470355), (1415, 282213), (2547, 156785), (4245, 94071), (12735, 31357)]