68137209

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15233}}^1$

素因数の和:15317

約数の個数: 24

約数和(自身を含む): 114072192

約数和(自身を除く): 45934983

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 15233, 45699, 106631, 137097, 319893, 959679, 1081543, 3244629, 7570801, 9733887, 22712403, 68137209]

約数ペア:

[(1, 68137209), (3, 22712403), (7, 9733887), (9, 7570801), (21, 3244629), (63, 1081543), (71, 959679), (213, 319893), (497, 137097), (639, 106631), (1491, 45699), (4473, 15233)]