28401807

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{32987}}^1$

素因数の和:33038

約数の個数: 16

約数和(自身を含む): 44335872

約数和(自身を除く): 15934065

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 32987, 98961, 230909, 692727, 1352467, 4057401, 9467269, 28401807]

約数ペア:

[(1, 28401807), (3, 9467269), (7, 4057401), (21, 1352467), (41, 692727), (123, 230909), (287, 98961), (861, 32987)]