18271131

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 26411280

約数和(自身を除く): 8140149

約数列:

[1, 3, 23, 29, 69, 87, 397, 529, 667, 1191, 1587, 2001, 9131, 11513, 15341, 27393, 34539, 46023, 210013, 264799, 630039, 794397, 6090377, 18271131]

約数ペア:

[(1, 18271131), (3, 6090377), (23, 794397), (29, 630039), (69, 264799), (87, 210013), (397, 46023), (529, 34539), (667, 27393), (1191, 15341), (1587, 11513), (2001, 9131)]