71270847

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 110421696

約数和(自身を除く): 39150849

約数列:

[1, 3, 9, 27, 47, 81, 97, 141, 193, 291, 423, 579, 873, 1269, 1737, 2619, 3807, 4559, 5211, 7857, 9071, 13677, 15633, 18721, 27213, 41031, 56163, 81639, 123093, 168489, 244917, 369279, 505467, 734751, 879887, 1516401, 2639661, 7918983, 23756949, 71270847]

約数ペア:

[(1, 71270847), (3, 23756949), (9, 7918983), (27, 2639661), (47, 1516401), (81, 879887), (97, 734751), (141, 505467), (193, 369279), (291, 244917), (423, 168489), (579, 123093), (873, 81639), (1269, 56163), (1737, 41031), (2619, 27213), (3807, 18721), (4559, 15633), (5211, 13677), (7857, 9071)]