1688661

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 2862720

約数和(自身を除く): 1174059

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 283, 351, 459, 663, 849, 1989, 2547, 3679, 4811, 5967, 7641, 11037, 14433, 33111, 43299, 62543, 99333, 129897, 187629, 562887, 1688661]

約数ペア:

[(1, 1688661), (3, 562887), (9, 187629), (13, 129897), (17, 99333), (27, 62543), (39, 43299), (51, 33111), (117, 14433), (153, 11037), (221, 7641), (283, 5967), (351, 4811), (459, 3679), (663, 2547), (849, 1989)]