259898247

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{22543}}^1$

素因数の和:22620

約数の個数: 32

約数和(自身を含む): 447272960

約数和(自身を除く): 187374713

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 1281, 1647, 3843, 11529, 22543, 67629, 157801, 202887, 473403, 608661, 1375123, 1420209, 4125369, 4260627, 9625861, 12376107, 28877583, 37128321, 86632749, 259898247]

約数ペア:

[(1, 259898247), (3, 86632749), (7, 37128321), (9, 28877583), (21, 12376107), (27, 9625861), (61, 4260627), (63, 4125369), (183, 1420209), (189, 1375123), (427, 608661), (549, 473403), (1281, 202887), (1647, 157801), (3843, 67629), (11529, 22543)]