25920315

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4397}}^1$

素因数の和:4539

約数の個数: 24

約数和(自身を含む): 45281808

約数和(自身を除く): 19361493

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 4397, 5895, 13191, 21985, 39573, 65955, 197865, 576007, 1728021, 2880035, 5184063, 8640105, 25920315]

約数ペア:

[(1, 25920315), (3, 8640105), (5, 5184063), (9, 2880035), (15, 1728021), (45, 576007), (131, 197865), (393, 65955), (655, 39573), (1179, 21985), (1965, 13191), (4397, 5895)]