9993921

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7103}}^1$

素因数の和:7180

約数の個数: 16

約数和(自身を含む): 15458304

約数和(自身を除く): 5464383

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 7103, 21309, 49721, 149163, 475901, 1427703, 3331307, 9993921]

約数ペア:

[(1, 9993921), (3, 3331307), (7, 1427703), (21, 475901), (67, 149163), (201, 49721), (469, 21309), (1407, 7103)]