31204521

素因数分解:

$3^4\times {\mathrm{601}}^1\times {\mathrm{641}}^1$

素因数の和:1254

約数の個数: 20

約数和(自身を含む): 46764564

約数和(自身を除く): 15560043

約数列:

[1, 3, 9, 27, 81, 601, 641, 1803, 1923, 5409, 5769, 16227, 17307, 48681, 51921, 385241, 1155723, 3467169, 10401507, 31204521]

約数ペア:

[(1, 31204521), (3, 10401507), (9, 3467169), (27, 1155723), (81, 385241), (601, 51921), (641, 48681), (1803, 17307), (1923, 16227), (5409, 5769)]