201639978

素因数分解:

$2^1\times 3^2\times {\mathrm{11202221}}^1$

素因数の和:11202229

約数の個数: 12

約数和(自身を含む): 436886658

約数和(自身を除く): 235246680

約数列:

[1, 2, 3, 6, 9, 18, 11202221, 22404442, 33606663, 67213326, 100819989, 201639978]

約数ペア:

[(1, 201639978), (2, 100819989), (3, 67213326), (6, 33606663), (9, 22404442), (18, 11202221)]