179957421

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{18917}}^1$

素因数の和:19081

約数の個数: 24

約数和(自身を含む): 299055744

約数和(自身を除く): 119098323

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 1057, 1359, 3171, 9513, 18917, 56751, 132419, 170253, 397257, 1191771, 2856467, 8569401, 19995269, 25708203, 59985807, 179957421]

約数ペア:

[(1, 179957421), (3, 59985807), (7, 25708203), (9, 19995269), (21, 8569401), (63, 2856467), (151, 1191771), (453, 397257), (1057, 170253), (1359, 132419), (3171, 56751), (9513, 18917)]