201528229

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{947}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 242513568

約数和(自身を除く): 40985339

約数列:

[1, 7, 43, 49, 101, 301, 707, 947, 2107, 4343, 4949, 6629, 30401, 40721, 46403, 95647, 212807, 285047, 669529, 1995329, 4112821, 4686703, 28789747, 201528229]

約数ペア:

[(1, 201528229), (7, 28789747), (43, 4686703), (49, 4112821), (101, 1995329), (301, 669529), (707, 285047), (947, 212807), (2107, 95647), (4343, 46403), (4949, 40721), (6629, 30401)]