13420917

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{7001}}^1$

素因数の和:7081

約数の個数: 16

約数和(自身を含む): 20165760

約数和(自身を除く): 6744843

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 7001, 21003, 63009, 189027, 497071, 1491213, 4473639, 13420917]

約数ペア:

[(1, 13420917), (3, 4473639), (9, 1491213), (27, 497071), (71, 189027), (213, 63009), (639, 21003), (1917, 7001)]