28705917

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{449}}^1$

素因数の和:764

約数の個数: 16

約数和(自身を含む): 38923200

約数和(自身を除く): 10217283

約数列:

[1, 3, 101, 211, 303, 449, 633, 1347, 21311, 45349, 63933, 94739, 136047, 284217, 9568639, 28705917]

約数ペア:

[(1, 28705917), (3, 9568639), (101, 284217), (211, 136047), (303, 94739), (449, 63933), (633, 45349), (1347, 21311)]