28812285

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3701}}^1$

素因数の和:3885

約数の個数: 24

約数和(自身を含む): 50243544

約数和(自身を除く): 21431259

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1557, 2595, 3701, 7785, 11103, 18505, 33309, 55515, 166545, 640273, 1920819, 3201365, 5762457, 9604095, 28812285]

約数ペア:

[(1, 28812285), (3, 9604095), (5, 5762457), (9, 3201365), (15, 1920819), (45, 640273), (173, 166545), (519, 55515), (865, 33309), (1557, 18505), (2595, 11103), (3701, 7785)]