51121449

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{20359}}^1$

素因数の和:20402

約数の個数: 20

約数和(自身を含む): 78833920

約数和(自身を除く): 27712471

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 20359, 61077, 183231, 549693, 631129, 1649079, 1893387, 5680161, 17040483, 51121449]

約数ペア:

[(1, 51121449), (3, 17040483), (9, 5680161), (27, 1893387), (31, 1649079), (81, 631129), (93, 549693), (279, 183231), (837, 61077), (2511, 20359)]