205514281

素因数分解:

$7^3\times {\mathrm{191}}^1\times {\mathrm{3137}}^1$

素因数の和:3349

約数の個数: 16

約数和(自身を含む): 240998400

約数和(自身を除く): 35484119

約数列:

[1, 7, 49, 191, 343, 1337, 3137, 9359, 21959, 65513, 153713, 599167, 1075991, 4194169, 29359183, 205514281]

約数ペア:

[(1, 205514281), (7, 29359183), (49, 4194169), (191, 1075991), (343, 599167), (1337, 153713), (3137, 65513), (9359, 21959)]