1990797681

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{52721}}^1$

素因数の和:53072

約数の個数: 16

約数和(自身を含む): 2728047168

約数和(自身を除く): 737249487

約数列:

[1, 3, 41, 123, 307, 921, 12587, 37761, 52721, 158163, 2161561, 6484683, 16185347, 48556041, 663599227, 1990797681]

約数ペア:

[(1, 1990797681), (3, 663599227), (41, 48556041), (123, 16185347), (307, 6484683), (921, 2161561), (12587, 158163), (37761, 52721)]