23400009

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{9319}}^1$

素因数の和:9362

約数の個数: 20

約数和(自身を含む): 36087040

約数和(自身を除く): 12687031

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 9319, 27957, 83871, 251613, 288889, 754839, 866667, 2600001, 7800003, 23400009]

約数ペア:

[(1, 23400009), (3, 7800003), (9, 2600001), (27, 866667), (31, 754839), (81, 288889), (93, 251613), (279, 83871), (837, 27957), (2511, 9319)]