16401921

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12511}}^1$

素因数の和:12556

約数の個数: 16

約数和(自身を含む): 24023040

約数和(自身を除く): 7621119

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 12511, 37533, 237709, 287753, 713127, 863259, 5467307, 16401921]

約数ペア:

[(1, 16401921), (3, 5467307), (19, 863259), (23, 713127), (57, 287753), (69, 237709), (437, 37533), (1311, 12511)]