28210905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{36877}}^1$

素因数の和:36905

約数の個数: 24

約数和(自身を含む): 51776712

約数和(自身を除く): 23565807

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 36877, 110631, 184385, 331893, 553155, 626909, 1659465, 1880727, 3134545, 5642181, 9403635, 28210905]

約数ペア:

[(1, 28210905), (3, 9403635), (5, 5642181), (9, 3134545), (15, 1880727), (17, 1659465), (45, 626909), (51, 553155), (85, 331893), (153, 184385), (255, 110631), (765, 36877)]