20191401

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{4241}}^1$

素因数の和:4293

約数の個数: 18

約数和(自身を含む): 30495738

約数和(自身を除く): 10304337

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4241, 4761, 12723, 38169, 97543, 292629, 877887, 2243489, 6730467, 20191401]

約数ペア:

[(1, 20191401), (3, 6730467), (9, 2243489), (23, 877887), (69, 292629), (207, 97543), (529, 38169), (1587, 12723), (4241, 4761)]