81167985

素因数分解:

$3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{7547}}^1$

素因数の和:7797

約数の個数: 24

約数和(自身を含む): 141298560

約数和(自身を除く): 60130575

約数列:

[1, 3, 5, 9, 15, 45, 239, 717, 1195, 2151, 3585, 7547, 10755, 22641, 37735, 67923, 113205, 339615, 1803733, 5411199, 9018665, 16233597, 27055995, 81167985]

約数ペア:

[(1, 81167985), (3, 27055995), (5, 16233597), (9, 9018665), (15, 5411199), (45, 1803733), (239, 339615), (717, 113205), (1195, 67923), (2151, 37735), (3585, 22641), (7547, 10755)]