13438257

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{9551}}^1$

素因数の和:9628

約数の個数: 16

約数和(自身を含む): 20785152

約数和(自身を除く): 7346895

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 9551, 28653, 66857, 200571, 639917, 1919751, 4479419, 13438257]

約数ペア:

[(1, 13438257), (3, 4479419), (7, 1919751), (21, 639917), (67, 200571), (201, 66857), (469, 28653), (1407, 9551)]