81553731

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{16249}}^1$

素因数の和:16498

約数の個数: 16

約数和(自身を含む): 124800000

約数和(自身を除く): 43246269

約数列:

[1, 3, 7, 21, 239, 717, 1673, 5019, 16249, 48747, 113743, 341229, 3883511, 11650533, 27184577, 81553731]

約数ペア:

[(1, 81553731), (3, 27184577), (7, 11650533), (21, 3883511), (239, 341229), (717, 113743), (1673, 48747), (5019, 16249)]