80821143

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2549}}^1$

素因数の和:2839

約数の個数: 24

約数和(自身を含む): 126235200

約数和(自身を除く): 45414057

約数列:

[1, 3, 9, 13, 39, 117, 271, 813, 2439, 2549, 3523, 7647, 10569, 22941, 31707, 33137, 99411, 298233, 690779, 2072337, 6217011, 8980127, 26940381, 80821143]

約数ペア:

[(1, 80821143), (3, 26940381), (9, 8980127), (13, 6217011), (39, 2072337), (117, 690779), (271, 298233), (813, 99411), (2439, 33137), (2549, 31707), (3523, 22941), (7647, 10569)]