12247647

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 17702784

約数和(自身を除く): 5455137

約数列:

[1, 3, 19, 43, 57, 129, 263, 361, 789, 817, 1083, 2451, 4997, 11309, 14991, 15523, 33927, 46569, 94943, 214871, 284829, 644613, 4082549, 12247647]

約数ペア:

[(1, 12247647), (3, 4082549), (19, 644613), (43, 284829), (57, 214871), (129, 94943), (263, 46569), (361, 33927), (789, 15523), (817, 14991), (1083, 11309), (2451, 4997)]