68404743

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 113183616

約数和(自身を除く): 44778873

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 157, 163, 243, 297, 471, 489, 891, 1413, 1467, 1727, 1793, 2673, 4239, 4401, 5181, 5379, 12717, 13203, 15543, 16137, 25591, 38151, 39609, 46629, 48411, 76773, 139887, 145233, 230319, 281501, 419661, 435699, 690957, 844503, 2072871, 2533509, 6218613, 7600527, 22801581, 68404743]

約数ペア:

[(1, 68404743), (3, 22801581), (9, 7600527), (11, 6218613), (27, 2533509), (33, 2072871), (81, 844503), (99, 690957), (157, 435699), (163, 419661), (243, 281501), (297, 230319), (471, 145233), (489, 139887), (891, 76773), (1413, 48411), (1467, 46629), (1727, 39609), (1793, 38151), (2673, 25591), (4239, 16137), (4401, 15543), (5181, 13203), (5379, 12717)]