31165491

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{4111}}^1$

素因数の和:4159

約数の個数: 24

約数和(自身を含む): 50133504

約数和(自身を除く): 18968013

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 4111, 7581, 12333, 28777, 78109, 86331, 234327, 546763, 1484071, 1640289, 4452213, 10388497, 31165491]

約数ペア:

[(1, 31165491), (3, 10388497), (7, 4452213), (19, 1640289), (21, 1484071), (57, 546763), (133, 234327), (361, 86331), (399, 78109), (1083, 28777), (2527, 12333), (4111, 7581)]