1291214127

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1308221}}^1$

素因数の和:1308278

約数の個数: 16

約数和(自身を含む): 2009428992

約数和(自身を除く): 718214865

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 1308221, 3924663, 9157547, 27472641, 61486387, 184459161, 430404709, 1291214127]

約数ペア:

[(1, 1291214127), (3, 430404709), (7, 184459161), (21, 61486387), (47, 27472641), (141, 9157547), (329, 3924663), (987, 1308221)]