213328193

素因数分解:

${\mathrm{13}}^2\times {\mathrm{647}}^1\times {\mathrm{1951}}^1$

素因数の和:2624

約数の個数: 12

約数和(自身を含む): 231475968

約数和(自身を除く): 18147775

約数列:

[1, 13, 169, 647, 1951, 8411, 25363, 109343, 329719, 1262297, 16409861, 213328193]

約数ペア:

[(1, 213328193), (13, 16409861), (169, 1262297), (647, 329719), (1951, 109343), (8411, 25363)]