31398597

素因数分解:

$3^4\times {\mathrm{439}}^1\times {\mathrm{883}}^1$

素因数の和:1334

約数の個数: 20

約数和(自身を含む): 47064160

約数和(自身を除く): 15665563

約数列:

[1, 3, 9, 27, 81, 439, 883, 1317, 2649, 3951, 7947, 11853, 23841, 35559, 71523, 387637, 1162911, 3488733, 10466199, 31398597]

約数ペア:

[(1, 31398597), (3, 10466199), (9, 3488733), (27, 1162911), (81, 387637), (439, 71523), (883, 35559), (1317, 23841), (2649, 11853), (3951, 7947)]