65564721

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{26111}}^1$

素因数の和:26154

約数の個数: 20

約数和(自身を含む): 101105664

約数和(自身を除く): 35540943

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 26111, 78333, 234999, 704997, 809441, 2114991, 2428323, 7284969, 21854907, 65564721]

約数ペア:

[(1, 65564721), (3, 21854907), (9, 7284969), (27, 2428323), (31, 2114991), (81, 809441), (93, 704997), (279, 234999), (837, 78333), (2511, 26111)]