1320917

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 16

約数和(自身を含む): 1552320

約数和(自身を除く): 231403

約数列:

[1, 13, 17, 43, 139, 221, 559, 731, 1807, 2363, 5977, 9503, 30719, 77701, 101609, 1320917]

約数ペア:

[(1, 1320917), (13, 101609), (17, 77701), (43, 30719), (139, 9503), (221, 5977), (559, 2363), (731, 1807)]