28757769

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 12610551

約数列:

[1, 3, 37, 41, 71, 89, 111, 123, 213, 267, 1517, 2627, 2911, 3293, 3649, 4551, 6319, 7881, 8733, 9879, 10947, 18957, 107707, 135013, 233803, 259079, 323121, 405039, 701409, 777237, 9585923, 28757769]

約数ペア:

[(1, 28757769), (3, 9585923), (37, 777237), (41, 701409), (71, 405039), (89, 323121), (111, 259079), (123, 233803), (213, 135013), (267, 107707), (1517, 18957), (2627, 10947), (2911, 9879), (3293, 8733), (3649, 7881), (4551, 6319)]