16891303

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 21111552

約数和(自身を除く): 4220249

約数列:

[1, 11, 13, 41, 43, 67, 143, 451, 473, 533, 559, 737, 871, 1763, 2747, 2881, 5863, 6149, 9581, 19393, 22919, 30217, 31691, 35711, 37453, 118121, 252109, 392821, 411983, 1299331, 1535573, 16891303]

約数ペア:

[(1, 16891303), (11, 1535573), (13, 1299331), (41, 411983), (43, 392821), (67, 252109), (143, 118121), (451, 37453), (473, 35711), (533, 31691), (559, 30217), (737, 22919), (871, 19393), (1763, 9581), (2747, 6149), (2881, 5863)]