8681337

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:331

約数の個数: 40

約数和(自身を含む): 15124032

約数和(自身を除く): 6442695

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 251, 427, 549, 567, 753, 1281, 1647, 1757, 2259, 3843, 4941, 5271, 6777, 11529, 15311, 15813, 20331, 34587, 45933, 47439, 107177, 137799, 142317, 321531, 413397, 964593, 1240191, 2893779, 8681337]

約数ペア:

[(1, 8681337), (3, 2893779), (7, 1240191), (9, 964593), (21, 413397), (27, 321531), (61, 142317), (63, 137799), (81, 107177), (183, 47439), (189, 45933), (251, 34587), (427, 20331), (549, 15813), (567, 15311), (753, 11529), (1281, 6777), (1647, 5271), (1757, 4941), (2259, 3843)]