207282621

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20521}}^1$

素因数の和:20581

約数の個数: 32

約数和(自身を含む): 349366528

約数和(自身を除く): 142083907

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 3367, 10101, 20521, 61563, 143647, 266773, 430941, 759277, 800319, 1867411, 2277831, 5314939, 5602233, 9870601, 15944817, 29611803, 69094207, 207282621]

約数ペア:

[(1, 207282621), (3, 69094207), (7, 29611803), (13, 15944817), (21, 9870601), (37, 5602233), (39, 5314939), (91, 2277831), (111, 1867411), (259, 800319), (273, 759277), (481, 430941), (777, 266773), (1443, 143647), (3367, 61563), (10101, 20521)]