213756657

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{677}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 311641344

約数和(自身を除く): 97884687

約数列:

[1, 3, 17, 41, 51, 123, 151, 453, 677, 697, 2031, 2091, 2567, 6191, 7701, 11509, 18573, 27757, 34527, 83271, 102227, 105247, 306681, 315741, 471869, 1415607, 1737859, 4191307, 5213577, 12573921, 71252219, 213756657]

約数ペア:

[(1, 213756657), (3, 71252219), (17, 12573921), (41, 5213577), (51, 4191307), (123, 1737859), (151, 1415607), (453, 471869), (677, 315741), (697, 306681), (2031, 105247), (2091, 102227), (2567, 83271), (6191, 34527), (7701, 27757), (11509, 18573)]