42561369

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{5417}}^1$

素因数の和:5526

約数の個数: 20

約数和(自身を含む): 64246644

約数和(自身を除く): 21685275

約数列:

[1, 3, 9, 27, 81, 97, 291, 873, 2619, 5417, 7857, 16251, 48753, 146259, 438777, 525449, 1576347, 4729041, 14187123, 42561369]

約数ペア:

[(1, 42561369), (3, 14187123), (9, 4729041), (27, 1576347), (81, 525449), (97, 438777), (291, 146259), (873, 48753), (2619, 16251), (5417, 7857)]