1221671805

素因数分解:

$3^1\times 5^1\times {\mathrm{4201}}^1\times {\mathrm{19387}}^1$

素因数の和:23596

約数の個数: 16

約数和(自身を含む): 1955241024

約数和(自身を除く): 733569219

約数列:

[1, 3, 5, 15, 4201, 12603, 19387, 21005, 58161, 63015, 96935, 290805, 81444787, 244334361, 407223935, 1221671805]

約数ペア:

[(1, 1221671805), (3, 407223935), (5, 244334361), (15, 81444787), (4201, 290805), (12603, 96935), (19387, 63015), (21005, 58161)]