872781

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 1505280

約数和(自身を除く): 632499

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 139, 161, 273, 299, 417, 483, 897, 973, 1807, 2093, 2919, 3197, 5421, 6279, 9591, 12649, 22379, 37947, 41561, 67137, 124683, 290927, 872781]

約数ペア:

[(1, 872781), (3, 290927), (7, 124683), (13, 67137), (21, 41561), (23, 37947), (39, 22379), (69, 12649), (91, 9591), (139, 6279), (161, 5421), (273, 3197), (299, 2919), (417, 2093), (483, 1807), (897, 973)]