1221837791

素因数分解:

${\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{383}}^1\times {\mathrm{571}}^1$

素因数の和:1142

約数の個数: 16

約数和(自身を含む): 1268686848

約数和(自身を除く): 46849057

約数列:

[1, 37, 151, 383, 571, 5587, 14171, 21127, 57833, 86221, 218693, 2139821, 3190177, 8091641, 33022643, 1221837791]

約数ペア:

[(1, 1221837791), (37, 33022643), (151, 8091641), (383, 3190177), (571, 2139821), (5587, 218693), (14171, 86221), (21127, 57833)]