15318621

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1793

約数の個数: 24

約数和(自身を含む): 23639616

約数和(自身を除く): 8320995

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 1721, 2967, 5163, 8901, 15489, 39583, 74003, 118749, 222009, 356247, 666027, 1702069, 5106207, 15318621]

約数ペア:

[(1, 15318621), (3, 5106207), (9, 1702069), (23, 666027), (43, 356247), (69, 222009), (129, 118749), (207, 74003), (387, 39583), (989, 15489), (1721, 8901), (2967, 5163)]