12220257

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1409}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 19288800

約数和(自身を除く): 7068543

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 413, 1239, 1409, 2891, 4227, 8673, 9863, 29589, 69041, 83131, 207123, 249393, 581917, 1745751, 4073419, 12220257]

約数ペア:

[(1, 12220257), (3, 4073419), (7, 1745751), (21, 581917), (49, 249393), (59, 207123), (147, 83131), (177, 69041), (413, 29589), (1239, 9863), (1409, 8673), (2891, 4227)]