68613885

素因数分解:

$3^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{887}}^1$

素因数の和:1095

約数の個数: 40

約数和(自身を含む): 123780096

約数和(自身を除く): 55166211

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 191, 405, 573, 887, 955, 1719, 2661, 2865, 4435, 5157, 7983, 8595, 13305, 15471, 23949, 25785, 39915, 71847, 77355, 119745, 169417, 359235, 508251, 847085, 1524753, 2541255, 4574259, 7623765, 13722777, 22871295, 68613885]

約数ペア:

[(1, 68613885), (3, 22871295), (5, 13722777), (9, 7623765), (15, 4574259), (27, 2541255), (45, 1524753), (81, 847085), (135, 508251), (191, 359235), (405, 169417), (573, 119745), (887, 77355), (955, 71847), (1719, 39915), (2661, 25785), (2865, 23949), (4435, 15471), (5157, 13305), (7983, 8595)]