208537731

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{439}}^1\times {\mathrm{1123}}^1$

素因数の和:1615

約数の個数: 24

約数和(自身を含む): 308605440

約数和(自身を除く): 100067709

約数列:

[1, 3, 9, 47, 141, 423, 439, 1123, 1317, 3369, 3951, 10107, 20633, 52781, 61899, 158343, 185697, 475029, 492997, 1478991, 4436973, 23170859, 69512577, 208537731]

約数ペア:

[(1, 208537731), (3, 69512577), (9, 23170859), (47, 4436973), (141, 1478991), (423, 492997), (439, 475029), (1123, 185697), (1317, 158343), (3369, 61899), (3951, 52781), (10107, 20633)]