25128747

素因数分解:

$3^2\times 7^1\times {\mathrm{569}}^1\times {\mathrm{701}}^1$

素因数の和:1283

約数の個数: 24

約数和(自身を含む): 41614560

約数和(自身を除く): 16485813

約数列:

[1, 3, 7, 9, 21, 63, 569, 701, 1707, 2103, 3983, 4907, 5121, 6309, 11949, 14721, 35847, 44163, 398869, 1196607, 2792083, 3589821, 8376249, 25128747]

約数ペア:

[(1, 25128747), (3, 8376249), (7, 3589821), (9, 2792083), (21, 1196607), (63, 398869), (569, 44163), (701, 35847), (1707, 14721), (2103, 11949), (3983, 6309), (4907, 5121)]