12742779

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7681}}^1$

素因数の和:7770

約数の個数: 16

約数和(自身を含む): 19665920

約数和(自身を除く): 6923141

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 7681, 23043, 53767, 161301, 606799, 1820397, 4247593, 12742779]

約数ペア:

[(1, 12742779), (3, 4247593), (7, 1820397), (21, 606799), (79, 161301), (237, 53767), (553, 23043), (1659, 7681)]