1277791857

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{16001}}^1$

素因数の和:16493

約数の個数: 24

約数和(自身を含む): 1947123360

約数和(自身を除く): 669331503

約数列:

[1, 3, 9, 19, 57, 171, 467, 1401, 4203, 8873, 16001, 26619, 48003, 79857, 144009, 304019, 912057, 2736171, 7472467, 22417401, 67252203, 141976873, 425930619, 1277791857]

約数ペア:

[(1, 1277791857), (3, 425930619), (9, 141976873), (19, 67252203), (57, 22417401), (171, 7472467), (467, 2736171), (1401, 912057), (4203, 304019), (8873, 144009), (16001, 79857), (26619, 48003)]