16351839

素因数分解:

$3^2\times 7^3\times {\mathrm{5297}}^1$

素因数の和:5324

約数の個数: 24

約数和(自身を含む): 27549600

約数和(自身を除く): 11197761

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 5297, 15891, 37079, 47673, 111237, 259553, 333711, 778659, 1816871, 2335977, 5450613, 16351839]

約数ペア:

[(1, 16351839), (3, 5450613), (7, 2335977), (9, 1816871), (21, 778659), (49, 333711), (63, 259553), (147, 111237), (343, 47673), (441, 37079), (1029, 15891), (3087, 5297)]