12565761

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 18923520

約数和(自身を除く): 6357759

約数列:

[1, 3, 13, 39, 43, 59, 127, 129, 177, 381, 559, 767, 1651, 1677, 2301, 2537, 4953, 5461, 7493, 7611, 16383, 22479, 32981, 70993, 97409, 98943, 212979, 292227, 322199, 966597, 4188587, 12565761]

約数ペア:

[(1, 12565761), (3, 4188587), (13, 966597), (39, 322199), (43, 292227), (59, 212979), (127, 98943), (129, 97409), (177, 70993), (381, 32981), (559, 22479), (767, 16383), (1651, 7611), (1677, 7493), (2301, 5461), (2537, 4953)]