31221005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{3719}}^1$

素因数の和:3820

約数の個数: 16

約数和(自身を含む): 39640320

約数和(自身を除く): 8419315

約数列:

[1, 5, 23, 73, 115, 365, 1679, 3719, 8395, 18595, 85537, 271487, 427685, 1357435, 6244201, 31221005]

約数ペア:

[(1, 31221005), (5, 6244201), (23, 1357435), (73, 427685), (115, 271487), (365, 85537), (1679, 18595), (3719, 8395)]