71481591

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{3191}}^1$

素因数の和:3347

約数の個数: 24

約数和(自身を含む): 109549440

約数和(自身を除く): 38067849

約数列:

[1, 3, 9, 19, 57, 131, 171, 393, 1179, 2489, 3191, 7467, 9573, 22401, 28719, 60629, 181887, 418021, 545661, 1254063, 3762189, 7942399, 23827197, 71481591]

約数ペア:

[(1, 71481591), (3, 23827197), (9, 7942399), (19, 3762189), (57, 1254063), (131, 545661), (171, 418021), (393, 181887), (1179, 60629), (2489, 28719), (3191, 22401), (7467, 9573)]