22221999

素因数分解:

$3^3\times {\mathrm{53}}^2\times {\mathrm{293}}^1$

素因数の和:408

約数の個数: 24

約数和(自身を含む): 33668880

約数和(自身を除く): 11446881

約数列:

[1, 3, 9, 27, 53, 159, 293, 477, 879, 1431, 2637, 2809, 7911, 8427, 15529, 25281, 46587, 75843, 139761, 419283, 823037, 2469111, 7407333, 22221999]

約数ペア:

[(1, 22221999), (3, 7407333), (9, 2469111), (27, 823037), (53, 419283), (159, 139761), (293, 75843), (477, 46587), (879, 25281), (1431, 15529), (2637, 8427), (2809, 7911)]