1951796721

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{21157}}^1$

素因数の和:21381

約数の個数: 32

約数和(自身を含む): 3119874048

約数和(自身を除く): 1168077327

約数列:

[1, 3, 7, 21, 23, 69, 161, 191, 483, 573, 1337, 4011, 4393, 13179, 21157, 30751, 63471, 92253, 148099, 444297, 486611, 1459833, 3406277, 4040987, 10218831, 12122961, 28286909, 84860727, 92942701, 278828103, 650598907, 1951796721]

約数ペア:

[(1, 1951796721), (3, 650598907), (7, 278828103), (21, 92942701), (23, 84860727), (69, 28286909), (161, 12122961), (191, 10218831), (483, 4040987), (573, 3406277), (1337, 1459833), (4011, 486611), (4393, 444297), (13179, 148099), (21157, 92253), (30751, 63471)]