81811383

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{7247}}^1$

素因数の和:7374

約数の個数: 16

約数和(自身を含む): 112720896

約数和(自身を除く): 30909513

約数列:

[1, 3, 53, 71, 159, 213, 3763, 7247, 11289, 21741, 384091, 514537, 1152273, 1543611, 27270461, 81811383]

約数ペア:

[(1, 81811383), (3, 27270461), (53, 1543611), (71, 1152273), (159, 514537), (213, 384091), (3763, 21741), (7247, 11289)]