31193859

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:906

約数の個数: 16

約数和(自身を含む): 42328832

約数和(自身を除く): 11134973

約数列:

[1, 3, 103, 157, 309, 471, 643, 1929, 16171, 48513, 66229, 100951, 198687, 302853, 10397953, 31193859]

約数ペア:

[(1, 31193859), (3, 10397953), (103, 302853), (157, 198687), (309, 100951), (471, 66229), (643, 48513), (1929, 16171)]