68717655

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2089}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 129111840

約数和(自身を除く): 60394185

約数列:

[1, 3, 5, 9, 15, 17, 43, 45, 51, 85, 129, 153, 215, 255, 387, 645, 731, 765, 1935, 2089, 2193, 3655, 6267, 6579, 10445, 10965, 18801, 31335, 32895, 35513, 89827, 94005, 106539, 177565, 269481, 319617, 449135, 532695, 808443, 1347405, 1527059, 1598085, 4042215, 4581177, 7635295, 13743531, 22905885, 68717655]

約数ペア:

[(1, 68717655), (3, 22905885), (5, 13743531), (9, 7635295), (15, 4581177), (17, 4042215), (43, 1598085), (45, 1527059), (51, 1347405), (85, 808443), (129, 532695), (153, 449135), (215, 319617), (255, 269481), (387, 177565), (645, 106539), (731, 94005), (765, 89827), (1935, 35513), (2089, 32895), (2193, 31335), (3655, 18801), (6267, 10965), (6579, 10445)]