28155207

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{2341}}^1$

素因数の和:2574

約数の個数: 16

約数和(自身を含む): 39720320

約数和(自身を除く): 11565113

約数列:

[1, 3, 19, 57, 211, 633, 2341, 4009, 7023, 12027, 44479, 133437, 493951, 1481853, 9385069, 28155207]

約数ペア:

[(1, 28155207), (3, 9385069), (19, 1481853), (57, 493951), (211, 133437), (633, 44479), (2341, 12027), (4009, 7023)]