187550721

素因数分解:

$3^4\times {\mathrm{509}}^1\times {\mathrm{4549}}^1$

素因数の和:5070

約数の個数: 20

約数和(自身を含む): 280780500

約数和(自身を除く): 93229779

約数列:

[1, 3, 9, 27, 81, 509, 1527, 4549, 4581, 13647, 13743, 40941, 41229, 122823, 368469, 2315441, 6946323, 20838969, 62516907, 187550721]

約数ペア:

[(1, 187550721), (3, 62516907), (9, 20838969), (27, 6946323), (81, 2315441), (509, 368469), (1527, 122823), (4549, 41229), (4581, 40941), (13647, 13743)]