247972059

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 390892320

約数和(自身を除く): 142920261

約数列:

[1, 3, 9, 19, 41, 57, 113, 123, 171, 313, 339, 369, 779, 939, 1017, 2147, 2337, 2817, 4633, 5947, 6441, 7011, 12833, 13899, 17841, 19323, 35369, 38499, 41697, 53523, 88027, 106107, 115497, 243827, 264081, 318321, 672011, 731481, 792243, 1450129, 2016033, 2194443, 4350387, 6048099, 13051161, 27552451, 82657353, 247972059]

約数ペア:

[(1, 247972059), (3, 82657353), (9, 27552451), (19, 13051161), (41, 6048099), (57, 4350387), (113, 2194443), (123, 2016033), (171, 1450129), (313, 792243), (339, 731481), (369, 672011), (779, 318321), (939, 264081), (1017, 243827), (2147, 115497), (2337, 106107), (2817, 88027), (4633, 53523), (5947, 41697), (6441, 38499), (7011, 35369), (12833, 19323), (13899, 17841)]