42557643

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{5101}}^1$

素因数の和:5216

約数の個数: 20

約数和(自身を含む): 64203568

約数和(自身を除く): 21645925

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2781, 5101, 8343, 15303, 45909, 137727, 413181, 525403, 1576209, 4728627, 14185881, 42557643]

約数ペア:

[(1, 42557643), (3, 14185881), (9, 4728627), (27, 1576209), (81, 525403), (103, 413181), (309, 137727), (927, 45909), (2781, 15303), (5101, 8343)]