66991455

素因数分解:

$3^6\times 5^1\times {\mathrm{18379}}^1$

素因数の和:18402

約数の個数: 28

約数和(自身を含む): 120536040

約数和(自身を除く): 53544585

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 18379, 55137, 91895, 165411, 275685, 496233, 827055, 1488699, 2481165, 4466097, 7443495, 13398291, 22330485, 66991455]

約数ペア:

[(1, 66991455), (3, 22330485), (5, 13398291), (9, 7443495), (15, 4466097), (27, 2481165), (45, 1488699), (81, 827055), (135, 496233), (243, 275685), (405, 165411), (729, 91895), (1215, 55137), (3645, 18379)]