27720675

素因数分解:

$3^2\times 5^2\times {\mathrm{123203}}^1$

素因数の和:123219

約数の個数: 18

約数和(自身を含む): 49651212

約数和(自身を除く): 21930537

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 123203, 369609, 616015, 1108827, 1848045, 3080075, 5544135, 9240225, 27720675]

約数ペア:

[(1, 27720675), (3, 9240225), (5, 5544135), (9, 3080075), (15, 1848045), (25, 1108827), (45, 616015), (75, 369609), (225, 123203)]