28549287

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 45920000

約数和(自身を除く): 17370713

約数列:

[1, 3, 9, 13, 27, 39, 117, 163, 351, 489, 499, 1467, 1497, 2119, 4401, 4491, 6357, 6487, 13473, 19071, 19461, 57213, 58383, 81337, 175149, 244011, 732033, 1057381, 2196099, 3172143, 9516429, 28549287]

約数ペア:

[(1, 28549287), (3, 9516429), (9, 3172143), (13, 2196099), (27, 1057381), (39, 732033), (117, 244011), (163, 175149), (351, 81337), (489, 58383), (499, 57213), (1467, 19461), (1497, 19071), (2119, 13473), (4401, 6487), (4491, 6357)]