13130019

素因数分解:

$3^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 56

約数和(自身を含む): 23503872

約数和(自身を除く): 10373853

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 83, 93, 189, 217, 243, 249, 279, 567, 581, 651, 729, 747, 837, 1701, 1743, 1953, 2241, 2511, 2573, 5103, 5229, 5859, 6723, 7533, 7719, 15687, 17577, 18011, 20169, 22599, 23157, 47061, 52731, 54033, 60507, 69471, 141183, 158193, 162099, 208413, 423549, 486297, 625239, 1458891, 1875717, 4376673, 13130019]

約数ペア:

[(1, 13130019), (3, 4376673), (7, 1875717), (9, 1458891), (21, 625239), (27, 486297), (31, 423549), (63, 208413), (81, 162099), (83, 158193), (93, 141183), (189, 69471), (217, 60507), (243, 54033), (249, 52731), (279, 47061), (567, 23157), (581, 22599), (651, 20169), (729, 18011), (747, 17577), (837, 15687), (1701, 7719), (1743, 7533), (1953, 6723), (2241, 5859), (2511, 5229), (2573, 5103)]