79221513

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{221909}}^1$

素因数の和:221936

約数の個数: 16

約数和(自身を含む): 127820160

約数和(自身を除く): 48598647

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 221909, 665727, 1553363, 3772453, 4660089, 11317359, 26407171, 79221513]

約数ペア:

[(1, 79221513), (3, 26407171), (7, 11317359), (17, 4660089), (21, 3772453), (51, 1553363), (119, 665727), (357, 221909)]