71398929

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{28571}}^1$

素因数の和:28605

約数の個数: 24

約数和(自身を含む): 117259488

約数和(自身を除く): 45860559

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 28571, 85713, 199997, 485707, 599991, 1399979, 1457121, 3399949, 4199937, 10199847, 23799643, 71398929]

約数ペア:

[(1, 71398929), (3, 23799643), (7, 10199847), (17, 4199937), (21, 3399949), (49, 1457121), (51, 1399979), (119, 599991), (147, 485707), (357, 199997), (833, 85713), (2499, 28571)]