16520991

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{7901}}^1$

素因数の和:7962

約数の個数: 16

約数和(自身を含む): 23895648

約数和(自身を除く): 7374657

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 7901, 23703, 134317, 323941, 402951, 971823, 5506997, 16520991]

約数ペア:

[(1, 16520991), (3, 5506997), (17, 971823), (41, 402951), (51, 323941), (123, 134317), (697, 23703), (2091, 7901)]