12216465

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{677}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 21259368

約数和(自身を除く): 9042903

約数列:

[1, 3, 5, 9, 15, 45, 401, 677, 1203, 2005, 2031, 3385, 3609, 6015, 6093, 10155, 18045, 30465, 271477, 814431, 1357385, 2443293, 4072155, 12216465]

約数ペア:

[(1, 12216465), (3, 4072155), (5, 2443293), (9, 1357385), (15, 814431), (45, 271477), (401, 30465), (677, 18045), (1203, 10155), (2005, 6093), (2031, 6015), (3385, 3609)]