81213301

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4129}}^1$

素因数の和:4248

約数の個数: 16

約数和(自身を含む): 93668400

約数和(自身を除く): 12455099

約数列:

[1, 13, 17, 89, 221, 1157, 1513, 4129, 19669, 53677, 70193, 367481, 912509, 4777253, 6247177, 81213301]

約数ペア:

[(1, 81213301), (13, 6247177), (17, 4777253), (89, 912509), (221, 367481), (1157, 70193), (1513, 53677), (4129, 19669)]