7451379

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 12648960

約数和(自身を除く): 5197581

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 71, 117, 169, 207, 213, 299, 351, 507, 621, 639, 897, 923, 1521, 1633, 1917, 2691, 2769, 3887, 4563, 4899, 8073, 8307, 11661, 11999, 14697, 21229, 24921, 34983, 35997, 44091, 63687, 104949, 107991, 191061, 275977, 323973, 573183, 827931, 2483793, 7451379]

約数ペア:

[(1, 7451379), (3, 2483793), (9, 827931), (13, 573183), (23, 323973), (27, 275977), (39, 191061), (69, 107991), (71, 104949), (117, 63687), (169, 44091), (207, 35997), (213, 34983), (299, 24921), (351, 21229), (507, 14697), (621, 11999), (639, 11661), (897, 8307), (923, 8073), (1521, 4899), (1633, 4563), (1917, 3887), (2691, 2769)]