81206910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{902299}}^1$

素因数の和:902312

約数の個数: 24

約数和(自身を含む): 211138200

約数和(自身を除く): 129931290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 902299, 1804598, 2706897, 4511495, 5413794, 8120691, 9022990, 13534485, 16241382, 27068970, 40603455, 81206910]

約数ペア:

[(1, 81206910), (2, 40603455), (3, 27068970), (5, 16241382), (6, 13534485), (9, 9022990), (10, 8120691), (15, 5413794), (18, 4511495), (30, 2706897), (45, 1804598), (90, 902299)]