5215995

素因数分解:

$3^9\times 5^1\times {\mathrm{53}}^1$

素因数の和:85

約数の個数: 40

約数和(自身を含む): 9565776

約数和(自身を除く): 4349781

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 243, 265, 405, 477, 729, 795, 1215, 1431, 2187, 2385, 3645, 4293, 6561, 7155, 10935, 12879, 19683, 21465, 32805, 38637, 64395, 98415, 115911, 193185, 347733, 579555, 1043199, 1738665, 5215995]

約数ペア:

[(1, 5215995), (3, 1738665), (5, 1043199), (9, 579555), (15, 347733), (27, 193185), (45, 115911), (53, 98415), (81, 64395), (135, 38637), (159, 32805), (243, 21465), (265, 19683), (405, 12879), (477, 10935), (729, 7155), (795, 6561), (1215, 4293), (1431, 3645), (2187, 2385)]