161705921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{1789}}^1$

素因数の和:2228

約数の個数: 16

約数和(自身を含む): 184942800

約数和(自身を除く): 23236879

約数列:

[1, 13, 17, 221, 409, 1789, 5317, 6953, 23257, 30413, 90389, 395369, 731701, 9512113, 12438917, 161705921]

約数ペア:

[(1, 161705921), (13, 12438917), (17, 9512113), (221, 731701), (409, 395369), (1789, 90389), (5317, 30413), (6953, 23257)]