161475531

素因数分解:

$3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{9721}}^1$

素因数の和:9851

約数の個数: 24

約数和(自身を含む): 252694224

約数和(自身を除く): 91218693

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 791, 2373, 5537, 9721, 16611, 29163, 68047, 204141, 476329, 1098473, 1428987, 3295419, 7689311, 23067933, 53825177, 161475531]

約数ペア:

[(1, 161475531), (3, 53825177), (7, 23067933), (21, 7689311), (49, 3295419), (113, 1428987), (147, 1098473), (339, 476329), (791, 204141), (2373, 68047), (5537, 29163), (9721, 16611)]