68120955

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12721}}^1$

素因数の和:12756

約数の個数: 48

約数和(自身を含む): 142893504

約数和(自身を除く): 74772549

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 5355, 12721, 38163, 63605, 89047, 114489, 190815, 216257, 267141, 445235, 572445, 648771, 801423, 1081285, 1335705, 1513799, 1946313, 3243855, 4007115, 4541397, 7568995, 9731565, 13624191, 22706985, 68120955]

約数ペア:

[(1, 68120955), (3, 22706985), (5, 13624191), (7, 9731565), (9, 7568995), (15, 4541397), (17, 4007115), (21, 3243855), (35, 1946313), (45, 1513799), (51, 1335705), (63, 1081285), (85, 801423), (105, 648771), (119, 572445), (153, 445235), (255, 267141), (315, 216257), (357, 190815), (595, 114489), (765, 89047), (1071, 63605), (1785, 38163), (5355, 12721)]