17957015

素因数分解:

$5^1\times {\mathrm{17}}^4\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 20

約数和(自身を含む): 23427624

約数和(自身を除く): 5470609

約数列:

[1, 5, 17, 43, 85, 215, 289, 731, 1445, 3655, 4913, 12427, 24565, 62135, 83521, 211259, 417605, 1056295, 3591403, 17957015]

約数ペア:

[(1, 17957015), (5, 3591403), (17, 1056295), (43, 417605), (85, 211259), (215, 83521), (289, 62135), (731, 24565), (1445, 12427), (3655, 4913)]