81722655

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5087}}^1$

素因数の和:5125

約数の個数: 64

約数和(自身を含む): 175841280

約数和(自身を除く): 94118625

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 189, 255, 315, 357, 459, 595, 765, 945, 1071, 1785, 2295, 3213, 5087, 5355, 15261, 16065, 25435, 35609, 45783, 76305, 86479, 106827, 137349, 178045, 228915, 259437, 320481, 432395, 534135, 605353, 686745, 778311, 961443, 1297185, 1602405, 1816059, 2334933, 3026765, 3891555, 4807215, 5448177, 9080295, 11674665, 16344531, 27240885, 81722655]

約数ペア:

[(1, 81722655), (3, 27240885), (5, 16344531), (7, 11674665), (9, 9080295), (15, 5448177), (17, 4807215), (21, 3891555), (27, 3026765), (35, 2334933), (45, 1816059), (51, 1602405), (63, 1297185), (85, 961443), (105, 778311), (119, 686745), (135, 605353), (153, 534135), (189, 432395), (255, 320481), (315, 259437), (357, 228915), (459, 178045), (595, 137349), (765, 106827), (945, 86479), (1071, 76305), (1785, 45783), (2295, 35609), (3213, 25435), (5087, 16065), (5355, 15261)]