78161805

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{13259}}^1$

素因数の和:13401

約数の個数: 24

約数和(自身を含む): 136524960

約数和(自身を除く): 58363155

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 5895, 13259, 39777, 66295, 119331, 198885, 596655, 1736929, 5210787, 8684645, 15632361, 26053935, 78161805]

約数ペア:

[(1, 78161805), (3, 26053935), (5, 15632361), (9, 8684645), (15, 5210787), (45, 1736929), (131, 596655), (393, 198885), (655, 119331), (1179, 66295), (1965, 39777), (5895, 13259)]