12387921

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{45377}}^1$

素因数の和:45400

約数の個数: 16

約数和(自身を含む): 20329344

約数和(自身を除く): 7941423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 45377, 136131, 317639, 589901, 952917, 1769703, 4129307, 12387921]

約数ペア:

[(1, 12387921), (3, 4129307), (7, 1769703), (13, 952917), (21, 589901), (39, 317639), (91, 136131), (273, 45377)]