11920167

素因数分解:

$3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{439}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 19768320

約数和(自身を除く): 7848153

約数列:

[1, 3, 7, 9, 21, 63, 431, 439, 1293, 1317, 3017, 3073, 3879, 3951, 9051, 9219, 27153, 27657, 189209, 567627, 1324463, 1702881, 3973389, 11920167]

約数ペア:

[(1, 11920167), (3, 3973389), (7, 1702881), (9, 1324463), (21, 567627), (63, 189209), (431, 27657), (439, 27153), (1293, 9219), (1317, 9051), (3017, 3951), (3073, 3879)]