28005555

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{263}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 46632960

約数和(自身を除く): 18627405

約数列:

[1, 3, 5, 15, 31, 93, 155, 229, 263, 465, 687, 789, 1145, 1315, 3435, 3945, 7099, 8153, 21297, 24459, 35495, 40765, 60227, 106485, 122295, 180681, 301135, 903405, 1867037, 5601111, 9335185, 28005555]

約数ペア:

[(1, 28005555), (3, 9335185), (5, 5601111), (15, 1867037), (31, 903405), (93, 301135), (155, 180681), (229, 122295), (263, 106485), (465, 60227), (687, 40765), (789, 35495), (1145, 24459), (1315, 21297), (3435, 8153), (3945, 7099)]