128271

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:63

約数の個数: 24

約数和(自身を含む): 210816

約数和(自身を除く): 82545

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 169, 253, 299, 429, 507, 759, 897, 1859, 3289, 3887, 5577, 9867, 11661, 42757, 128271]

約数ペア:

[(1, 128271), (3, 42757), (11, 11661), (13, 9867), (23, 5577), (33, 3887), (39, 3289), (69, 1859), (143, 897), (169, 759), (253, 507), (299, 429)]