15647985

素因数分解:

$3^{10}\times 5^1\times {\mathrm{53}}^1$

素因数の和:88

約数の個数: 44

約数和(自身を含む): 28697652

約数和(自身を除く): 13049667

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, 59049, 64395, 98415, 115911, 193185, 295245, 347733, 579555, 1043199, 1738665, 3129597, 5215995, 15647985]

約数ペア:

[(1, 15647985), (3, 5215995), (5, 3129597), (9, 1738665), (15, 1043199), (27, 579555), (45, 347733), (53, 295245), (81, 193185), (135, 115911), (159, 98415), (243, 64395), (265, 59049), (405, 38637), (477, 32805), (729, 21465), (795, 19683), (1215, 12879), (1431, 10935), (2187, 7155), (2385, 6561), (3645, 4293)]