6899985

素因数分解:

$3^7\times 5^1\times {\mathrm{631}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 12437760

約数和(自身を除く): 5537775

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 631, 729, 1215, 1893, 2187, 3155, 3645, 5679, 9465, 10935, 17037, 28395, 51111, 85185, 153333, 255555, 459999, 766665, 1379997, 2299995, 6899985]

約数ペア:

[(1, 6899985), (3, 2299995), (5, 1379997), (9, 766665), (15, 459999), (27, 255555), (45, 153333), (81, 85185), (135, 51111), (243, 28395), (405, 17037), (631, 10935), (729, 9465), (1215, 5679), (1893, 3645), (2187, 3155)]