12900951

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:453

約数の個数: 40

約数和(自身を含む): 22445984

約数和(自身を除く): 9545033

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 373, 427, 549, 567, 1119, 1281, 1647, 2611, 3357, 3843, 4941, 7833, 10071, 11529, 22753, 23499, 30213, 34587, 68259, 70497, 159271, 204777, 211491, 477813, 614331, 1433439, 1842993, 4300317, 12900951]

約数ペア:

[(1, 12900951), (3, 4300317), (7, 1842993), (9, 1433439), (21, 614331), (27, 477813), (61, 211491), (63, 204777), (81, 159271), (183, 70497), (189, 68259), (373, 34587), (427, 30213), (549, 23499), (567, 22753), (1119, 11529), (1281, 10071), (1647, 7833), (2611, 4941), (3357, 3843)]