69876989

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{15671}}^1$

素因数の和:15705

約数の個数: 16

約数和(自身を含む): 87763200

約数和(自身を除く): 17886211

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 15671, 109697, 203723, 767879, 1426061, 5375153, 9982427, 69876989]

約数ペア:

[(1, 69876989), (7, 9982427), (13, 5375153), (49, 1426061), (91, 767879), (343, 203723), (637, 109697), (4459, 15671)]