12330981

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 21201600

約数和(自身を除く): 8870619

約数列:

[1, 3, 9, 13, 19, 27, 39, 43, 57, 117, 129, 171, 247, 351, 387, 513, 559, 741, 817, 1161, 1677, 1849, 2223, 2451, 5031, 5547, 6669, 7353, 10621, 15093, 16641, 22059, 24037, 31863, 35131, 49923, 72111, 95589, 105393, 216333, 286767, 316179, 456703, 648999, 948537, 1370109, 4110327, 12330981]

約数ペア:

[(1, 12330981), (3, 4110327), (9, 1370109), (13, 948537), (19, 648999), (27, 456703), (39, 316179), (43, 286767), (57, 216333), (117, 105393), (129, 95589), (171, 72111), (247, 49923), (351, 35131), (387, 31863), (513, 24037), (559, 22059), (741, 16641), (817, 15093), (1161, 10621), (1677, 7353), (1849, 6669), (2223, 5547), (2451, 5031)]