81678222

素因数分解:

$2^1\times 3^2\times {\mathrm{331}}^1\times {\mathrm{13709}}^1$

素因数の和:14048

約数の個数: 24

約数和(自身を含む): 177517080

約数和(自身を除く): 95838858

約数列:

[1, 2, 3, 6, 9, 18, 331, 662, 993, 1986, 2979, 5958, 13709, 27418, 41127, 82254, 123381, 246762, 4537679, 9075358, 13613037, 27226074, 40839111, 81678222]

約数ペア:

[(1, 81678222), (2, 40839111), (3, 27226074), (6, 13613037), (9, 9075358), (18, 4537679), (331, 246762), (662, 123381), (993, 82254), (1986, 41127), (2979, 27418), (5958, 13709)]