209974239

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{17117}}^1$

素因数の和:17199

約数の個数: 24

約数和(自身を含む): 320448960

約数和(自身を除く): 110474721

約数列:

[1, 3, 9, 29, 47, 87, 141, 261, 423, 1363, 4089, 12267, 17117, 51351, 154053, 496393, 804499, 1489179, 2413497, 4467537, 7240491, 23330471, 69991413, 209974239]

約数ペア:

[(1, 209974239), (3, 69991413), (9, 23330471), (29, 7240491), (47, 4467537), (87, 2413497), (141, 1489179), (261, 804499), (423, 496393), (1363, 154053), (4089, 51351), (12267, 17117)]