13656321

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 24530688

約数和(自身を除く): 10874367

約数列:

[1, 3, 7, 9, 17, 21, 41, 51, 63, 119, 123, 153, 287, 311, 357, 369, 697, 861, 933, 1071, 2091, 2177, 2583, 2799, 4879, 5287, 6273, 6531, 12751, 14637, 15861, 19593, 37009, 38253, 43911, 47583, 89257, 111027, 114759, 216767, 267771, 333081, 650301, 803313, 1517369, 1950903, 4552107, 13656321]

約数ペア:

[(1, 13656321), (3, 4552107), (7, 1950903), (9, 1517369), (17, 803313), (21, 650301), (41, 333081), (51, 267771), (63, 216767), (119, 114759), (123, 111027), (153, 89257), (287, 47583), (311, 43911), (357, 38253), (369, 37009), (697, 19593), (861, 15861), (933, 14637), (1071, 12751), (2091, 6531), (2177, 6273), (2583, 5287), (2799, 4879)]