80904645

素因数分解:

$3^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1361}}^1$

素因数の和:2693

約数の個数: 24

約数和(自身を含む): 140443992

約数和(自身を除く): 59539347

約数列:

[1, 3, 5, 9, 15, 45, 1321, 1361, 3963, 4083, 6605, 6805, 11889, 12249, 19815, 20415, 59445, 61245, 1797881, 5393643, 8989405, 16180929, 26968215, 80904645]

約数ペア:

[(1, 80904645), (3, 26968215), (5, 16180929), (9, 8989405), (15, 5393643), (45, 1797881), (1321, 61245), (1361, 59445), (3963, 20415), (4083, 19815), (6605, 12249), (6805, 11889)]