275128515

素因数分解:

$3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12503}}^1$

素因数の和:12680

約数の個数: 32

約数和(自身を含む): 492157440

約数和(自身を除く): 217028925

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 163, 489, 815, 1467, 2445, 4401, 7335, 12503, 22005, 37509, 62515, 112527, 187545, 337581, 562635, 1687905, 2037989, 6113967, 10189945, 18341901, 30569835, 55025703, 91709505, 275128515]

約数ペア:

[(1, 275128515), (3, 91709505), (5, 55025703), (9, 30569835), (15, 18341901), (27, 10189945), (45, 6113967), (135, 2037989), (163, 1687905), (489, 562635), (815, 337581), (1467, 187545), (2445, 112527), (4401, 62515), (7335, 37509), (12503, 22005)]