201913509

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7213}}^1$

素因数の和:7297

約数の個数: 32

約数和(自身を含む): 325033984

約数和(自身を除く): 123120475

約数列:

[1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 651, 903, 1333, 3999, 7213, 9331, 21639, 27993, 50491, 151473, 223603, 310159, 670809, 930477, 1565221, 2171113, 4695663, 6513339, 9614929, 28844787, 67304503, 201913509]

約数ペア:

[(1, 201913509), (3, 67304503), (7, 28844787), (21, 9614929), (31, 6513339), (43, 4695663), (93, 2171113), (129, 1565221), (217, 930477), (301, 670809), (651, 310159), (903, 223603), (1333, 151473), (3999, 50491), (7213, 27993), (9331, 21639)]