68562221

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2909}}^1$

素因数の和:2973

約数の個数: 24

約数和(自身を含む): 88242840

約数和(自身を除く): 19680619

約数列:

[1, 7, 13, 37, 49, 91, 259, 481, 637, 1813, 2909, 3367, 20363, 23569, 37817, 107633, 142541, 264719, 753431, 1399229, 1853033, 5274017, 9794603, 68562221]

約数ペア:

[(1, 68562221), (7, 9794603), (13, 5274017), (37, 1853033), (49, 1399229), (91, 753431), (259, 264719), (481, 142541), (637, 107633), (1813, 37817), (2909, 23569), (3367, 20363)]