13328847

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 22809600

約数和(自身を除く): 9480753

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 647, 763, 981, 1941, 2289, 2943, 4529, 5823, 6867, 13587, 17469, 20601, 40761, 70523, 122283, 211569, 493661, 634707, 1480983, 1904121, 4442949, 13328847]

約数ペア:

[(1, 13328847), (3, 4442949), (7, 1904121), (9, 1480983), (21, 634707), (27, 493661), (63, 211569), (109, 122283), (189, 70523), (327, 40761), (647, 20601), (763, 17469), (981, 13587), (1941, 6867), (2289, 5823), (2943, 4529)]