15729309

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{8443}}^1$

素因数の和:8478

約数の個数: 20

約数和(自身を含む): 24521376

約数和(自身を除く): 8792067

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 8443, 25329, 75987, 194189, 227961, 582567, 683883, 1747701, 5243103, 15729309]

約数ペア:

[(1, 15729309), (3, 5243103), (9, 1747701), (23, 683883), (27, 582567), (69, 227961), (81, 194189), (207, 75987), (621, 25329), (1863, 8443)]