81378126

素因数分解:

$2^1\times 3^2\times {\mathrm{311}}^1\times {\mathrm{14537}}^1$

素因数の和:14856

約数の個数: 24

約数和(自身を含む): 176898384

約数和(自身を除く): 95520258

約数列:

[1, 2, 3, 6, 9, 18, 311, 622, 933, 1866, 2799, 5598, 14537, 29074, 43611, 87222, 130833, 261666, 4521007, 9042014, 13563021, 27126042, 40689063, 81378126]

約数ペア:

[(1, 81378126), (2, 40689063), (3, 27126042), (6, 13563021), (9, 9042014), (18, 4521007), (311, 261666), (622, 130833), (933, 87222), (1866, 43611), (2799, 29074), (5598, 14537)]