68878971

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19181}}^1$

素因数の和:19216

約数の個数: 32

約数和(自身を含む): 122764800

約数和(自身を除く): 53885829

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 19181, 57543, 134267, 172629, 364439, 402801, 517887, 1093317, 1208403, 2551073, 3279951, 3625209, 7653219, 9839853, 22959657, 68878971]

約数ペア:

[(1, 68878971), (3, 22959657), (7, 9839853), (9, 7653219), (19, 3625209), (21, 3279951), (27, 2551073), (57, 1208403), (63, 1093317), (133, 517887), (171, 402801), (189, 364439), (399, 172629), (513, 134267), (1197, 57543), (3591, 19181)]