81340164

素因数分解:

$2^2\times 3^2\times {\mathrm{2259449}}^1$

素因数の和:2259459

約数の個数: 18

約数和(自身を含む): 205609950

約数和(自身を除く): 124269786

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2259449, 4518898, 6778347, 9037796, 13556694, 20335041, 27113388, 40670082, 81340164]

約数ペア:

[(1, 81340164), (2, 40670082), (3, 27113388), (4, 20335041), (6, 13556694), (9, 9037796), (12, 6778347), (18, 4518898), (36, 2259449)]