1022721

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1612

約数の個数: 16

約数和(自身を含む): 1609728

約数和(自身を除く): 587007

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 1571, 4713, 10997, 32991, 48701, 146103, 340907, 1022721]

約数ペア:

[(1, 1022721), (3, 340907), (7, 146103), (21, 48701), (31, 32991), (93, 10997), (217, 4713), (651, 1571)]