20157627357

素因数分解:

$3^5\times 7^1\times {\mathrm{449}}^1\times {\mathrm{26393}}^1$

素因数の和:26864

約数の個数: 48

約数和(自身を含む): 34586697600

約数和(自身を除く): 14429070243

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 449, 567, 1347, 1701, 3143, 4041, 9429, 12123, 26393, 28287, 36369, 79179, 84861, 109107, 184751, 237537, 254583, 554253, 712611, 763749, 1662759, 2137833, 4988277, 6413499, 11850457, 14964831, 35551371, 44894493, 82953199, 106654113, 248859597, 319962339, 746578791, 959887017, 2239736373, 2879661051, 6719209119, 20157627357]

約数ペア:

[(1, 20157627357), (3, 6719209119), (7, 2879661051), (9, 2239736373), (21, 959887017), (27, 746578791), (63, 319962339), (81, 248859597), (189, 106654113), (243, 82953199), (449, 44894493), (567, 35551371), (1347, 14964831), (1701, 11850457), (3143, 6413499), (4041, 4988277), (9429, 2137833), (12123, 1662759), (26393, 763749), (28287, 712611), (36369, 554253), (79179, 254583), (84861, 237537), (109107, 184751)]