20081205

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6113}}^1$

素因数の和:6197

約数の個数: 24

約数和(自身を含む): 35290008

約数和(自身を除く): 15208803

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 6113, 18339, 30565, 55017, 91695, 275085, 446249, 1338747, 2231245, 4016241, 6693735, 20081205]

約数ペア:

[(1, 20081205), (3, 6693735), (5, 4016241), (9, 2231245), (15, 1338747), (45, 446249), (73, 275085), (219, 91695), (365, 55017), (657, 30565), (1095, 18339), (3285, 6113)]