149211111

素因数分解:

$3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{20359}}^1$

素因数の和:20718

約数の個数: 16

約数和(自身を含む): 228032000

約数和(自身を除く): 78820889

約数列:

[1, 3, 7, 21, 349, 1047, 2443, 7329, 20359, 61077, 142513, 427539, 7105291, 21315873, 49737037, 149211111]

約数ペア:

[(1, 149211111), (3, 49737037), (7, 21315873), (21, 7105291), (349, 427539), (1047, 142513), (2443, 61077), (7329, 20359)]