12996123

素因数分解:

$3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 20301120

約数和(自身を除く): 7304997

約数列:

[1, 3, 7, 21, 49, 147, 211, 419, 633, 1257, 1477, 2933, 4431, 8799, 10339, 20531, 31017, 61593, 88409, 265227, 618863, 1856589, 4332041, 12996123]

約数ペア:

[(1, 12996123), (3, 4332041), (7, 1856589), (21, 618863), (49, 265227), (147, 88409), (211, 61593), (419, 31017), (633, 20531), (1257, 10339), (1477, 8799), (2933, 4431)]