68355555

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1481}}^1$

素因数の和:1687

約数の個数: 32

約数和(自身を含む): 116520768

約数和(自身を除く): 48165213

約数列:

[1, 3, 5, 15, 17, 51, 85, 181, 255, 543, 905, 1481, 2715, 3077, 4443, 7405, 9231, 15385, 22215, 25177, 46155, 75531, 125885, 268061, 377655, 804183, 1340305, 4020915, 4557037, 13671111, 22785185, 68355555]

約数ペア:

[(1, 68355555), (3, 22785185), (5, 13671111), (15, 4557037), (17, 4020915), (51, 1340305), (85, 804183), (181, 377655), (255, 268061), (543, 125885), (905, 75531), (1481, 46155), (2715, 25177), (3077, 22215), (4443, 15385), (7405, 9231)]