81673359

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{1249}}^1$

素因数の和:1630

約数の個数: 16

約数和(自身を含む): 110880000

約数和(自身を除く): 29206641

約数列:

[1, 3, 71, 213, 307, 921, 1249, 3747, 21797, 65391, 88679, 266037, 383443, 1150329, 27224453, 81673359]

約数ペア:

[(1, 81673359), (3, 27224453), (71, 1150329), (213, 383443), (307, 266037), (921, 88679), (1249, 65391), (3747, 21797)]