12557643

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9803}}^1$

素因数の和:9874

約数の個数: 16

約数和(自身を含む): 19451136

約数和(自身を除く): 6893493

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 9803, 29409, 68621, 205863, 597983, 1793949, 4185881, 12557643]

約数ペア:

[(1, 12557643), (3, 4185881), (7, 1793949), (21, 597983), (61, 205863), (183, 68621), (427, 29409), (1281, 9803)]