68808789

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{4217}}^1$

素因数の和:4274

約数の個数: 36

約数和(自身を含む): 118770444

約数和(自身を除く): 49961655

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 1813, 2331, 4217, 5439, 12651, 16317, 29519, 37953, 88557, 156029, 206633, 265671, 468087, 619899, 1092203, 1404261, 1859697, 3276609, 7645421, 9829827, 22936263, 68808789]

約数ペア:

[(1, 68808789), (3, 22936263), (7, 9829827), (9, 7645421), (21, 3276609), (37, 1859697), (49, 1404261), (63, 1092203), (111, 619899), (147, 468087), (259, 265671), (333, 206633), (441, 156029), (777, 88557), (1813, 37953), (2331, 29519), (4217, 16317), (5439, 12651)]