27578979

素因数分解:

$3^2\times {\mathrm{79}}^2\times {\mathrm{491}}^1$

素因数の和:655

約数の個数: 18

約数和(自身を含む): 40429116

約数和(自身を除く): 12850137

約数列:

[1, 3, 9, 79, 237, 491, 711, 1473, 4419, 6241, 18723, 38789, 56169, 116367, 349101, 3064331, 9192993, 27578979]

約数ペア:

[(1, 27578979), (3, 9192993), (9, 3064331), (79, 349101), (237, 116367), (491, 56169), (711, 38789), (1473, 18723), (4419, 6241)]