121211207

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1657}}^1$

素因数の和:2018

約数の個数: 16

約数和(自身を含む): 138714912

約数和(自身を除く): 17503705

約数列:

[1, 13, 17, 221, 331, 1657, 4303, 5627, 21541, 28169, 73151, 366197, 548467, 7130071, 9323939, 121211207]

約数ペア:

[(1, 121211207), (13, 9323939), (17, 7130071), (221, 548467), (331, 366197), (1657, 73151), (4303, 28169), (5627, 21541)]