52857021

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{11287}}^1$

素因数の和:11520

約数の個数: 16

約数和(自身を含む): 80912384

約数和(自身を除く): 28055363

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4683, 11287, 33861, 79009, 237027, 2517001, 7551003, 17619007, 52857021]

約数ペア:

[(1, 52857021), (3, 17619007), (7, 7551003), (21, 2517001), (223, 237027), (669, 79009), (1561, 33861), (4683, 11287)]