17820873

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1481}}^1$

素因数の和:1685

約数の個数: 24

約数和(自身を含む): 29592576

約数和(自身を除く): 11771703

約数列:

[1, 3, 7, 9, 21, 63, 191, 573, 1337, 1481, 1719, 4011, 4443, 10367, 12033, 13329, 31101, 93303, 282871, 848613, 1980097, 2545839, 5940291, 17820873]

約数ペア:

[(1, 17820873), (3, 5940291), (7, 2545839), (9, 1980097), (21, 848613), (63, 282871), (191, 93303), (573, 31101), (1337, 13329), (1481, 12033), (1719, 10367), (4011, 4443)]