8640801

素因数分解:

$3^2\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:87

約数の個数: 48

約数和(自身を含む): 14851200

約数和(自身を除く): 6210399

約数列:

[1, 3, 9, 13, 19, 23, 39, 57, 69, 117, 169, 171, 207, 247, 299, 437, 507, 741, 897, 1311, 1521, 2197, 2223, 2691, 3211, 3887, 3933, 5681, 6591, 9633, 11661, 17043, 19773, 28899, 34983, 41743, 50531, 51129, 73853, 125229, 151593, 221559, 375687, 454779, 664677, 960089, 2880267, 8640801]

約数ペア:

[(1, 8640801), (3, 2880267), (9, 960089), (13, 664677), (19, 454779), (23, 375687), (39, 221559), (57, 151593), (69, 125229), (117, 73853), (169, 51129), (171, 50531), (207, 41743), (247, 34983), (299, 28899), (437, 19773), (507, 17043), (741, 11661), (897, 9633), (1311, 6591), (1521, 5681), (2197, 3933), (2223, 3887), (2691, 3211)]