4499991

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:291

約数の個数: 18

約数和(自身を含む): 6762912

約数和(自身を除く): 2262921

約数列:

[1, 3, 9, 31, 93, 127, 279, 381, 1143, 3937, 11811, 16129, 35433, 48387, 145161, 499999, 1499997, 4499991]

約数ペア:

[(1, 4499991), (3, 1499997), (9, 499999), (31, 145161), (93, 48387), (127, 35433), (279, 16129), (381, 11811), (1143, 3937)]