203430123

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 333156096

約数和(自身を除く): 129725973

約数列:

[1, 3, 9, 13, 27, 39, 71, 81, 117, 213, 243, 351, 639, 907, 923, 1053, 1917, 2721, 2769, 3159, 5751, 8163, 8307, 11791, 17253, 24489, 24921, 35373, 64397, 73467, 74763, 106119, 193191, 220401, 224289, 318357, 579573, 837161, 955071, 1738719, 2511483, 2865213, 5216157, 7534449, 15648471, 22603347, 67810041, 203430123]

約数ペア:

[(1, 203430123), (3, 67810041), (9, 22603347), (13, 15648471), (27, 7534449), (39, 5216157), (71, 2865213), (81, 2511483), (117, 1738719), (213, 955071), (243, 837161), (351, 579573), (639, 318357), (907, 224289), (923, 220401), (1053, 193191), (1917, 106119), (2721, 74763), (2769, 73467), (3159, 64397), (5751, 35373), (8163, 24921), (8307, 24489), (11791, 17253)]