90409923

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{27827}}^1$

素因数の和:27871

約数の個数: 18

約数和(自身を含む): 137832084

約数和(自身を除く): 47422161

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 27827, 83481, 250443, 528713, 1586139, 4758417, 10045547, 30136641, 90409923]

約数ペア:

[(1, 90409923), (3, 30136641), (9, 10045547), (19, 4758417), (57, 1586139), (171, 528713), (361, 250443), (1083, 83481), (3249, 27827)]