7889721

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2393}}^1$

素因数の和:2560

約数の個数: 16

約数和(自身を含む): 12104064

約数和(自身を除く): 4214343

約数列:

[1, 3, 7, 21, 157, 471, 1099, 2393, 3297, 7179, 16751, 50253, 375701, 1127103, 2629907, 7889721]

約数ペア:

[(1, 7889721), (3, 2629907), (7, 1127103), (21, 375701), (157, 50253), (471, 16751), (1099, 7179), (2393, 3297)]