212742027

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{2281}}^1$

素因数の和:2571

約数の個数: 24

約数和(自身を含む): 315883568

約数和(自身を除く): 103141541

約数列:

[1, 3, 9, 43, 129, 241, 387, 723, 2169, 2281, 6843, 10363, 20529, 31089, 93267, 98083, 294249, 549721, 882747, 1649163, 4947489, 23638003, 70914009, 212742027]

約数ペア:

[(1, 212742027), (3, 70914009), (9, 23638003), (43, 4947489), (129, 1649163), (241, 882747), (387, 549721), (723, 294249), (2169, 98083), (2281, 93267), (6843, 31089), (10363, 20529)]