13305961347

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3216331}}^1$

素因数の和:3216538

約数の個数: 16

約数和(自身を含む): 20378679552

約数和(自身を除く): 7072718205

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 3216331, 9648993, 22514317, 67542951, 633617207, 1900851621, 4435320449, 13305961347]

約数ペア:

[(1, 13305961347), (3, 4435320449), (7, 1900851621), (21, 633617207), (197, 67542951), (591, 22514317), (1379, 9648993), (4137, 3216331)]