513981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 838656

約数和(自身を除く): 324675

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 191, 207, 299, 573, 897, 1719, 2483, 2691, 4393, 7449, 13179, 22347, 39537, 57109, 171327, 513981]

約数ペア:

[(1, 513981), (3, 171327), (9, 57109), (13, 39537), (23, 22347), (39, 13179), (69, 7449), (117, 4393), (191, 2691), (207, 2483), (299, 1719), (573, 897)]