28866981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67289}}^1$

素因数の和:67316

約数の個数: 16

約数和(自身を含む): 45218880

約数和(自身を除く): 16351899

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 67289, 201867, 740179, 874757, 2220537, 2624271, 9622327, 28866981]

約数ペア:

[(1, 28866981), (3, 9622327), (11, 2624271), (13, 2220537), (33, 874757), (39, 740179), (143, 201867), (429, 67289)]