28685919

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{5569}}^1$

素因数の和:5690

約数の個数: 16

約数和(自身を含む): 40906080

約数和(自身を除く): 12220161

約数列:

[1, 3, 17, 51, 101, 303, 1717, 5151, 5569, 16707, 94673, 284019, 562469, 1687407, 9561973, 28685919]

約数ペア:

[(1, 28685919), (3, 9561973), (17, 1687407), (51, 562469), (101, 284019), (303, 94673), (1717, 16707), (5151, 5569)]