38909205

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21089}}^1$

素因数の和:21141

約数の個数: 24

約数和(自身を含む): 69090840

約数和(自身を除く): 30181635

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 21089, 63267, 105445, 189801, 316335, 864649, 949005, 2593947, 4323245, 7781841, 12969735, 38909205]

約数ペア:

[(1, 38909205), (3, 12969735), (5, 7781841), (9, 4323245), (15, 2593947), (41, 949005), (45, 864649), (123, 316335), (205, 189801), (369, 105445), (615, 63267), (1845, 21089)]