39843921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{21737}}^1$

素因数の和:21800

約数の個数: 16

約数和(自身を含む): 58431744

約数和(自身を除く): 18587823

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 21737, 65211, 282581, 847743, 1021639, 3064917, 13281307, 39843921]

約数ペア:

[(1, 39843921), (3, 13281307), (13, 3064917), (39, 1021639), (47, 847743), (141, 282581), (611, 65211), (1833, 21737)]