81872055

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{24923}}^1$

素因数の和:25007

約数の個数: 24

約数和(自身を含む): 143861328

約数和(自身を除く): 61989273

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 24923, 74769, 124615, 224307, 373845, 1121535, 1819379, 5458137, 9096895, 16374411, 27290685, 81872055]

約数ペア:

[(1, 81872055), (3, 27290685), (5, 16374411), (9, 9096895), (15, 5458137), (45, 1819379), (73, 1121535), (219, 373845), (365, 224307), (657, 124615), (1095, 74769), (3285, 24923)]