199907808219

素因数分解:

$3^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{3903001}}^1$

素因数の和:3903288

約数の個数: 32

約数和(自身を含む): 339717294080

約数和(自身を除く): 139809485861

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 271, 813, 1897, 2439, 5691, 7317, 17073, 51219, 3903001, 11709003, 27321007, 35127009, 81963021, 105381027, 245889063, 737667189, 1057713271, 3173139813, 7403992897, 9519419439, 22211978691, 28558258317, 66635936073, 199907808219]

約数ペア:

[(1, 199907808219), (3, 66635936073), (7, 28558258317), (9, 22211978691), (21, 9519419439), (27, 7403992897), (63, 3173139813), (189, 1057713271), (271, 737667189), (813, 245889063), (1897, 105381027), (2439, 81963021), (5691, 35127009), (7317, 27321007), (17073, 11709003), (51219, 3903001)]