66208779

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26947}}^1$

素因数の和:26976

約数の個数: 32

約数和(自身を含む): 120727040

約数和(自身を除く): 54518261

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 26947, 80841, 188629, 242523, 350311, 565887, 727569, 1050933, 1697661, 2452177, 3152799, 5092983, 7356531, 9458397, 22069593, 66208779]

約数ペア:

[(1, 66208779), (3, 22069593), (7, 9458397), (9, 7356531), (13, 5092983), (21, 3152799), (27, 2452177), (39, 1697661), (63, 1050933), (91, 727569), (117, 565887), (189, 350311), (273, 242523), (351, 188629), (819, 80841), (2457, 26947)]