1994031

素因数分解:

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

素因数の和:77

約数の個数: 48

約数和(自身を含む): 3513600

約数和(自身を除く): 1519569

約数列:

[1, 3, 9, 13, 19, 23, 27, 39, 57, 69, 117, 169, 171, 207, 247, 299, 351, 437, 507, 513, 621, 741, 897, 1311, 1521, 2223, 2691, 3211, 3887, 3933, 4563, 5681, 6669, 8073, 9633, 11661, 11799, 17043, 28899, 34983, 51129, 73853, 86697, 104949, 153387, 221559, 664677, 1994031]

約数ペア:

[(1, 1994031), (3, 664677), (9, 221559), (13, 153387), (19, 104949), (23, 86697), (27, 73853), (39, 51129), (57, 34983), (69, 28899), (117, 17043), (169, 11799), (171, 11661), (207, 9633), (247, 8073), (299, 6669), (351, 5681), (437, 4563), (507, 3933), (513, 3887), (621, 3211), (741, 2691), (897, 2223), (1311, 1521)]