56815652481

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7573}}^1\times {\mathrm{18803}}^1$

素因数の和:26405

約数の個数: 32

約数和(自身を含む): 91149757440

約数和(自身を除く): 34334104959

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 7573, 18803, 22719, 53011, 56409, 131621, 143887, 159033, 357257, 394863, 431661, 1007209, 1071771, 2500799, 3021627, 7502397, 142395119, 427185357, 996765833, 2705507261, 2990297499, 8116521783, 18938550827, 56815652481]

約数ペア:

[(1, 56815652481), (3, 18938550827), (7, 8116521783), (19, 2990297499), (21, 2705507261), (57, 996765833), (133, 427185357), (399, 142395119), (7573, 7502397), (18803, 3021627), (22719, 2500799), (53011, 1071771), (56409, 1007209), (131621, 431661), (143887, 394863), (159033, 357257)]