28293081

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1\times {\mathrm{443}}^1$

素因数の和:856

約数の個数: 16

約数和(自身を含む): 38539200

約数和(自身を除く): 10246119

約数列:

[1, 3, 61, 183, 349, 443, 1047, 1329, 21289, 27023, 63867, 81069, 154607, 463821, 9431027, 28293081]

約数ペア:

[(1, 28293081), (3, 9431027), (61, 463821), (183, 154607), (349, 81069), (443, 63867), (1047, 27023), (1329, 21289)]