27139815

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{9887}}^1$

素因数の和:9959

約数の個数: 24

約数和(自身を含む): 47818368

約数和(自身を除く): 20678553

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 9887, 29661, 49435, 88983, 148305, 444915, 603107, 1809321, 3015535, 5427963, 9046605, 27139815]

約数ペア:

[(1, 27139815), (3, 9046605), (5, 5427963), (9, 3015535), (15, 1809321), (45, 603107), (61, 444915), (183, 148305), (305, 88983), (549, 49435), (915, 29661), (2745, 9887)]