25887771

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 46760896

約数和(自身を除く): 20873125

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 73, 91, 117, 219, 273, 433, 511, 657, 819, 949, 1299, 1533, 2847, 3031, 3897, 4599, 5629, 6643, 8541, 9093, 16887, 19929, 27279, 31609, 39403, 50661, 59787, 94827, 118209, 221263, 284481, 354627, 410917, 663789, 1232751, 1991367, 2876419, 3698253, 8629257, 25887771]

約数ペア:

[(1, 25887771), (3, 8629257), (7, 3698253), (9, 2876419), (13, 1991367), (21, 1232751), (39, 663789), (63, 410917), (73, 354627), (91, 284481), (117, 221263), (219, 118209), (273, 94827), (433, 59787), (511, 50661), (657, 39403), (819, 31609), (949, 27279), (1299, 19929), (1533, 16887), (2847, 9093), (3031, 8541), (3897, 6643), (4599, 5629)]