80916927

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 139324416

約数和(自身を除く): 58407489

約数列:

[1, 3, 7, 13, 21, 39, 43, 61, 91, 113, 129, 183, 273, 301, 339, 427, 559, 791, 793, 903, 1281, 1469, 1677, 2373, 2379, 2623, 3913, 4407, 4859, 5551, 6893, 7869, 10283, 11739, 14577, 16653, 18361, 20679, 30849, 34013, 34099, 48251, 55083, 63167, 89609, 102039, 102297, 144753, 189501, 238693, 268827, 296399, 442169, 627263, 716079, 889197, 1326507, 1881789, 2074793, 3853187, 6224379, 11559561, 26972309, 80916927]

約数ペア:

[(1, 80916927), (3, 26972309), (7, 11559561), (13, 6224379), (21, 3853187), (39, 2074793), (43, 1881789), (61, 1326507), (91, 889197), (113, 716079), (129, 627263), (183, 442169), (273, 296399), (301, 268827), (339, 238693), (427, 189501), (559, 144753), (791, 102297), (793, 102039), (903, 89609), (1281, 63167), (1469, 55083), (1677, 48251), (2373, 34099), (2379, 34013), (2623, 30849), (3913, 20679), (4407, 18361), (4859, 16653), (5551, 14577), (6893, 11739), (7869, 10283)]