1990993815

素因数分解:

$3^2\times 5^1\times {\mathrm{1907}}^1\times {\mathrm{23201}}^1$

素因数の和:25119

約数の個数: 24

約数和(自身を含む): 3453014448

約数和(自身を除く): 1462020633

約数列:

[1, 3, 5, 9, 15, 45, 1907, 5721, 9535, 17163, 23201, 28605, 69603, 85815, 116005, 208809, 348015, 1044045, 44244307, 132732921, 221221535, 398198763, 663664605, 1990993815]

約数ペア:

[(1, 1990993815), (3, 663664605), (5, 398198763), (9, 221221535), (15, 132732921), (45, 44244307), (1907, 1044045), (5721, 348015), (9535, 208809), (17163, 116005), (23201, 85815), (28605, 69603)]