39947619

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{9491}}^1$

素因数の和:9578

約数の個数: 16

約数和(自身を含む): 56496384

約数和(自身を除く): 16548765

約数列:

[1, 3, 23, 61, 69, 183, 1403, 4209, 9491, 28473, 218293, 578951, 654879, 1736853, 13315873, 39947619]

約数ペア:

[(1, 39947619), (3, 13315873), (23, 1736853), (61, 654879), (69, 578951), (183, 218293), (1403, 28473), (4209, 9491)]