71520057

素因数分解:

$3^3\times 7^2\times {\mathrm{54059}}^1$

素因数の和:54082

約数の個数: 24

約数和(自身を含む): 123256800

約数和(自身を除く): 51736743

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 54059, 162177, 378413, 486531, 1135239, 1459593, 2648891, 3405717, 7946673, 10217151, 23840019, 71520057]

約数ペア:

[(1, 71520057), (3, 23840019), (7, 10217151), (9, 7946673), (21, 3405717), (27, 2648891), (49, 1459593), (63, 1135239), (147, 486531), (189, 378413), (441, 162177), (1323, 54059)]