30997239

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6679}}^1$

素因数の和:6719

約数の個数: 32

約数和(自身を含む): 53867520

約数和(自身を除く): 22870281

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 6679, 20037, 46753, 86827, 113543, 140259, 260481, 340629, 607789, 794801, 1476059, 1823367, 2384403, 4428177, 10332413, 30997239]

約数ペア:

[(1, 30997239), (3, 10332413), (7, 4428177), (13, 2384403), (17, 1823367), (21, 1476059), (39, 794801), (51, 607789), (91, 340629), (119, 260481), (221, 140259), (273, 113543), (357, 86827), (663, 46753), (1547, 20037), (4641, 6679)]