16985943

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 28945280

約数和(自身を除く): 11959337

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 243, 247, 283, 351, 513, 741, 849, 1053, 1539, 2223, 2547, 3159, 3679, 4617, 5377, 6669, 7641, 11037, 16131, 20007, 22923, 33111, 48393, 60021, 68769, 69901, 99333, 145179, 209703, 297999, 435537, 629109, 893997, 1306611, 1887327, 5661981, 16985943]

約数ペア:

[(1, 16985943), (3, 5661981), (9, 1887327), (13, 1306611), (19, 893997), (27, 629109), (39, 435537), (57, 297999), (81, 209703), (117, 145179), (171, 99333), (243, 69901), (247, 68769), (283, 60021), (351, 48393), (513, 33111), (741, 22923), (849, 20007), (1053, 16131), (1539, 11037), (2223, 7641), (2547, 6669), (3159, 5377), (3679, 4617)]