20121247935

素因数分解:

$3^3\times 5^1\times {\mathrm{149046281}}^1$

素因数の和:149046295

約数の個数: 16

約数和(自身を含む): 35771107680

約数和(自身を除く): 15649859745

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149046281, 447138843, 745231405, 1341416529, 2235694215, 4024249587, 6707082645, 20121247935]

約数ペア:

[(1, 20121247935), (3, 6707082645), (5, 4024249587), (9, 2235694215), (15, 1341416529), (27, 745231405), (45, 447138843), (135, 149046281)]