40001121

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{17029}}^1$

素因数の和:17070

約数の個数: 20

約数和(自身を含む): 61818900

約数和(自身を除く): 21817779

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 17029, 51087, 153261, 459783, 493841, 1379349, 1481523, 4444569, 13333707, 40001121]

約数ペア:

[(1, 40001121), (3, 13333707), (9, 4444569), (27, 1481523), (29, 1379349), (81, 493841), (87, 459783), (261, 153261), (783, 51087), (2349, 17029)]