28554417

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 44031360

約数和(自身を除く): 15476943

約数列:

[1, 3, 9, 27, 37, 101, 111, 283, 303, 333, 849, 909, 999, 2547, 2727, 3737, 7641, 10471, 11211, 28583, 31413, 33633, 85749, 94239, 100899, 257247, 282717, 771741, 1057571, 3172713, 9518139, 28554417]

約数ペア:

[(1, 28554417), (3, 9518139), (9, 3172713), (27, 1057571), (37, 771741), (101, 282717), (111, 257247), (283, 100899), (303, 94239), (333, 85749), (849, 33633), (909, 31413), (999, 28583), (2547, 11211), (2727, 10471), (3737, 7641)]