665890227

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{421}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 1046992128

約数和(自身を除く): 381101901

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 283, 421, 621, 849, 1263, 1863, 2547, 3789, 5589, 6509, 7641, 9683, 11367, 19527, 22923, 29049, 34101, 58581, 68769, 87147, 102303, 119143, 175743, 261441, 357429, 527229, 784323, 1072287, 1581687, 2352969, 2740289, 3216861, 8220867, 9650583, 24662601, 28951749, 73987803, 221963409, 665890227]

約数ペア:

[(1, 665890227), (3, 221963409), (9, 73987803), (23, 28951749), (27, 24662601), (69, 9650583), (81, 8220867), (207, 3216861), (243, 2740289), (283, 2352969), (421, 1581687), (621, 1072287), (849, 784323), (1263, 527229), (1863, 357429), (2547, 261441), (3789, 175743), (5589, 119143), (6509, 102303), (7641, 87147), (9683, 68769), (11367, 58581), (19527, 34101), (22923, 29049)]