28193751

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{3253}}^1$

素因数の和:3372

約数の個数: 20

約数和(自身を含む): 42523272

約数和(自身を除く): 14329521

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 3253, 8667, 9759, 29277, 87831, 263493, 348071, 1044213, 3132639, 9397917, 28193751]

約数ペア:

[(1, 28193751), (3, 9397917), (9, 3132639), (27, 1044213), (81, 348071), (107, 263493), (321, 87831), (963, 29277), (2889, 9759), (3253, 8667)]