13877045

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4357}}^1$

素因数の和:4389

約数の個数: 24

約数和(自身を含む): 20866104

約数和(自身を除く): 6989059

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 4357, 21785, 30499, 56641, 152495, 213493, 283205, 396487, 1067465, 1982435, 2775409, 13877045]

約数ペア:

[(1, 13877045), (5, 2775409), (7, 1982435), (13, 1067465), (35, 396487), (49, 283205), (65, 213493), (91, 152495), (245, 56641), (455, 30499), (637, 21785), (3185, 4357)]