7856551647

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1\times {\mathrm{4001}}^1$

素因数の和:4524

約数の個数: 48

約数和(自身を含む): 13185469440

約数和(自身を除く): 5328917793

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 439, 497, 639, 1317, 1491, 3073, 3951, 4001, 4473, 9219, 12003, 27657, 28007, 31169, 36009, 84021, 93507, 218183, 252063, 280521, 284071, 654549, 852213, 1756439, 1963647, 1988497, 2556639, 5269317, 5965491, 12295073, 15807951, 17896473, 36885219, 110655657, 124707169, 374121507, 872950183, 1122364521, 2618850549, 7856551647]

約数ペア:

[(1, 7856551647), (3, 2618850549), (7, 1122364521), (9, 872950183), (21, 374121507), (63, 124707169), (71, 110655657), (213, 36885219), (439, 17896473), (497, 15807951), (639, 12295073), (1317, 5965491), (1491, 5269317), (3073, 2556639), (3951, 1988497), (4001, 1963647), (4473, 1756439), (9219, 852213), (12003, 654549), (27657, 284071), (28007, 280521), (31169, 252063), (36009, 218183), (84021, 93507)]