23405985

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3191}}^1$

素因数の和:3365

約数の個数: 24

約数和(自身を含む): 40832064

約数和(自身を除く): 17426079

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 2445, 3191, 7335, 9573, 15955, 28719, 47865, 143595, 520133, 1560399, 2600665, 4681197, 7801995, 23405985]

約数ペア:

[(1, 23405985), (3, 7801995), (5, 4681197), (9, 2600665), (15, 1560399), (45, 520133), (163, 143595), (489, 47865), (815, 28719), (1467, 15955), (2445, 9573), (3191, 7335)]