67515021

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{4721}}^1$

素因数の和:4961

約数の個数: 24

約数和(自身を含む): 111968064

約数和(自身を除く): 44453043

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 1589, 2043, 4721, 4767, 14163, 14301, 33047, 42489, 99141, 297423, 1071667, 3215001, 7501669, 9645003, 22505007, 67515021]

約数ペア:

[(1, 67515021), (3, 22505007), (7, 9645003), (9, 7501669), (21, 3215001), (63, 1071667), (227, 297423), (681, 99141), (1589, 42489), (2043, 33047), (4721, 14301), (4767, 14163)]