71026431

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{4691}}^1$

素因数の和:4811

約数の個数: 24

約数和(自身を含む): 111256704

約数和(自身を除く): 40230273

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 2163, 4691, 5047, 14073, 15141, 32837, 98511, 229859, 483173, 689577, 1449519, 3382211, 10146633, 23675477, 71026431]

約数ペア:

[(1, 71026431), (3, 23675477), (7, 10146633), (21, 3382211), (49, 1449519), (103, 689577), (147, 483173), (309, 229859), (721, 98511), (2163, 32837), (4691, 15141), (5047, 14073)]