1291245111

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193619}}^1$

素因数の和:193660

約数の個数: 32

約数和(自身を含む): 2168544000

約数和(自身を除く): 877298889

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 6669, 193619, 580857, 1742571, 2517047, 3678761, 5227713, 7551141, 11036283, 22653423, 33108849, 47823893, 67960269, 99326547, 143471679, 430415037, 1291245111]

約数ペア:

[(1, 1291245111), (3, 430415037), (9, 143471679), (13, 99326547), (19, 67960269), (27, 47823893), (39, 33108849), (57, 22653423), (117, 11036283), (171, 7551141), (247, 5227713), (351, 3678761), (513, 2517047), (741, 1742571), (2223, 580857), (6669, 193619)]