3980431

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:151

約数の個数: 32

約数和(自身を含む): 5419008

約数和(自身を除く): 1438577

約数列:

[1, 7, 13, 17, 31, 83, 91, 119, 217, 221, 403, 527, 581, 1079, 1411, 1547, 2573, 2821, 3689, 6851, 7553, 9877, 18011, 18343, 33449, 43741, 47957, 128401, 234143, 306187, 568633, 3980431]

約数ペア:

[(1, 3980431), (7, 568633), (13, 306187), (17, 234143), (31, 128401), (83, 47957), (91, 43741), (119, 33449), (217, 18343), (221, 18011), (403, 9877), (527, 7553), (581, 6851), (1079, 3689), (1411, 2821), (1547, 2573)]