40405989

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1825

約数の個数: 32

約数和(自身を含む): 63078400

約数和(自身を除く): 22672411

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 403, 589, 741, 1209, 1759, 1767, 5277, 7657, 22867, 22971, 33421, 54529, 68601, 100263, 163587, 434473, 708877, 1036051, 1303419, 2126631, 3108153, 13468663, 40405989]

約数ペア:

[(1, 40405989), (3, 13468663), (13, 3108153), (19, 2126631), (31, 1303419), (39, 1036051), (57, 708877), (93, 434473), (247, 163587), (403, 100263), (589, 68601), (741, 54529), (1209, 33421), (1759, 22971), (1767, 22867), (5277, 7657)]