99975215

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{1609}}^1$

素因数の和:1691

約数の個数: 24

約数和(自身を含む): 130487280

約数和(自身を除く): 30512065

約数列:

[1, 5, 17, 43, 85, 215, 289, 731, 1445, 1609, 3655, 8045, 12427, 27353, 62135, 69187, 136765, 345935, 465001, 1176179, 2325005, 5880895, 19995043, 99975215]

約数ペア:

[(1, 99975215), (5, 19995043), (17, 5880895), (43, 2325005), (85, 1176179), (215, 465001), (289, 345935), (731, 136765), (1445, 69187), (1609, 62135), (3655, 27353), (8045, 12427)]