81167355

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{38377}}^1$

素因数の和:38435

約数の個数: 24

約数和(自身を含む): 143687232

約数和(自身を除く): 62519877

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 38377, 115131, 191885, 345393, 575655, 1726965, 1803719, 5411157, 9018595, 16233471, 27055785, 81167355]

約数ペア:

[(1, 81167355), (3, 27055785), (5, 16233471), (9, 9018595), (15, 5411157), (45, 1803719), (47, 1726965), (141, 575655), (235, 345393), (423, 191885), (705, 115131), (2115, 38377)]