13107987

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{3947}}^1$

素因数の和:4000

約数の個数: 20

約数和(自身を含む): 20063736

約数和(自身を除く): 6955749

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 3947, 11841, 35523, 106569, 161827, 319707, 485481, 1456443, 4369329, 13107987]

約数ペア:

[(1, 13107987), (3, 4369329), (9, 1456443), (27, 485481), (41, 319707), (81, 161827), (123, 106569), (369, 35523), (1107, 11841), (3321, 3947)]