9987309

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 14949792

約数和(自身を除く): 4962483

約数列:

[1, 3, 9, 43, 129, 131, 197, 387, 393, 591, 1179, 1773, 5633, 8471, 16899, 25413, 25807, 50697, 76239, 77421, 232263, 1109701, 3329103, 9987309]

約数ペア:

[(1, 9987309), (3, 3329103), (9, 1109701), (43, 232263), (129, 77421), (131, 76239), (197, 50697), (387, 25807), (393, 25413), (591, 16899), (1179, 8471), (1773, 5633)]