81396225

素因数分解:

$3^3\times 5^2\times {\mathrm{120587}}^1$

素因数の和:120606

約数の個数: 24

約数和(自身を含む): 149529120

約数和(自身を除く): 68132895

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 120587, 361761, 602935, 1085283, 1808805, 3014675, 3255849, 5426415, 9044025, 16279245, 27132075, 81396225]

約数ペア:

[(1, 81396225), (3, 27132075), (5, 16279245), (9, 9044025), (15, 5426415), (25, 3255849), (27, 3014675), (45, 1808805), (75, 1085283), (135, 602935), (225, 361761), (675, 120587)]