490147497

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1571

約数の個数: 64

約数和(自身を含む): 870481920

約数和(自身を除く): 380334423

約数列:

[1, 3, 7, 9, 21, 27, 41, 43, 63, 123, 129, 189, 287, 301, 369, 387, 861, 903, 1107, 1161, 1471, 1763, 2583, 2709, 4413, 5289, 7749, 8127, 10297, 12341, 13239, 15867, 30891, 37023, 39717, 47601, 60311, 63253, 92673, 111069, 180933, 189759, 278019, 333207, 422177, 442771, 542799, 569277, 1266531, 1328313, 1628397, 1707831, 2593373, 3799593, 3984939, 7780119, 11398779, 11954817, 18153611, 23340357, 54460833, 70021071, 163382499, 490147497]

約数ペア:

[(1, 490147497), (3, 163382499), (7, 70021071), (9, 54460833), (21, 23340357), (27, 18153611), (41, 11954817), (43, 11398779), (63, 7780119), (123, 3984939), (129, 3799593), (189, 2593373), (287, 1707831), (301, 1628397), (369, 1328313), (387, 1266531), (861, 569277), (903, 542799), (1107, 442771), (1161, 422177), (1471, 333207), (1763, 278019), (2583, 189759), (2709, 180933), (4413, 111069), (5289, 92673), (7749, 63253), (8127, 60311), (10297, 47601), (12341, 39717), (13239, 37023), (15867, 30891)]