7991109

素因数分解:

$3^3\times 7^1\times {\mathrm{42281}}^1$

素因数の和:42297

約数の個数: 16

約数和(自身を含む): 13530240

約数和(自身を除く): 5539131

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 42281, 126843, 295967, 380529, 887901, 1141587, 2663703, 7991109]

約数ペア:

[(1, 7991109), (3, 2663703), (7, 1141587), (9, 887901), (21, 380529), (27, 295967), (63, 126843), (189, 42281)]