258239877

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{723361}}^1$

素因数の和:723388

約数の個数: 16

約数和(自身を含む): 416656512

約数和(自身を除く): 158416635

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 723361, 2170083, 5063527, 12297137, 15190581, 36891411, 86079959, 258239877]

約数ペア:

[(1, 258239877), (3, 86079959), (7, 36891411), (17, 15190581), (21, 12297137), (51, 5063527), (119, 2170083), (357, 723361)]