218291229

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{81119}}^1$

素因数の和:81161

約数の個数: 24

約数和(自身を含む): 354332160

約数和(自身を除く): 136040931

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 81119, 243357, 730071, 1054547, 1865737, 3163641, 5597211, 9490923, 16791633, 24254581, 72763743, 218291229]

約数ペア:

[(1, 218291229), (3, 72763743), (9, 24254581), (13, 16791633), (23, 9490923), (39, 5597211), (69, 3163641), (117, 1865737), (207, 1054547), (299, 730071), (897, 243357), (2691, 81119)]