15661637691

素因数分解:

$3^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{393143}}^1$

素因数の和:393431

約数の個数: 24

約数和(自身を含む): 24381218304

約数和(自身を除く): 8719580613

約数列:

[1, 3, 7, 21, 49, 147, 271, 813, 1897, 5691, 13279, 39837, 393143, 1179429, 2752001, 8256003, 19264007, 57792021, 106541753, 319625259, 745792271, 2237376813, 5220545897, 15661637691]

約数ペア:

[(1, 15661637691), (3, 5220545897), (7, 2237376813), (21, 745792271), (49, 319625259), (147, 106541753), (271, 57792021), (813, 19264007), (1897, 8256003), (5691, 2752001), (13279, 1179429), (39837, 393143)]