28744005

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{773}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 48000384

約数和(自身を除く): 19256379

約数列:

[1, 3, 5, 15, 37, 67, 111, 185, 201, 335, 555, 773, 1005, 2319, 2479, 3865, 7437, 11595, 12395, 28601, 37185, 51791, 85803, 143005, 155373, 258955, 429015, 776865, 1916267, 5748801, 9581335, 28744005]

約数ペア:

[(1, 28744005), (3, 9581335), (5, 5748801), (15, 1916267), (37, 776865), (67, 429015), (111, 258955), (185, 155373), (201, 143005), (335, 85803), (555, 51791), (773, 37185), (1005, 28601), (2319, 12395), (2479, 11595), (3865, 7437)]