15662985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1709}}^1$

素因数の和:1777

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 11915895

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 195, 235, 611, 705, 1709, 1833, 3055, 5127, 8545, 9165, 22217, 25635, 66651, 80323, 111085, 240969, 333255, 401615, 1044199, 1204845, 3132597, 5220995, 15662985]

約数ペア:

[(1, 15662985), (3, 5220995), (5, 3132597), (13, 1204845), (15, 1044199), (39, 401615), (47, 333255), (65, 240969), (141, 111085), (195, 80323), (235, 66651), (611, 25635), (705, 22217), (1709, 9165), (1833, 8545), (3055, 5127)]