81653571

素因数分解:

$3^2\times {\mathrm{571}}^1\times {\mathrm{15889}}^1$

素因数の和:16466

約数の個数: 12

約数和(自身を含む): 118158040

約数和(自身を除く): 36504469

約数列:

[1, 3, 9, 571, 1713, 5139, 15889, 47667, 143001, 9072619, 27217857, 81653571]

約数ペア:

[(1, 81653571), (3, 27217857), (9, 9072619), (571, 143001), (1713, 47667), (5139, 15889)]