1220703

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:606

約数の個数: 16

約数和(自身を含む): 1804032

約数和(自身を除く): 583329

約数列:

[1, 3, 11, 33, 71, 213, 521, 781, 1563, 2343, 5731, 17193, 36991, 110973, 406901, 1220703]

約数ペア:

[(1, 1220703), (3, 406901), (11, 110973), (33, 36991), (71, 17193), (213, 5731), (521, 2343), (781, 1563)]