808216785

素因数分解:

$3^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 1479456576

約数和(自身を除く): 671239791

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 243, 347, 355, 405, 639, 729, 1041, 1065, 1215, 1735, 1917, 2187, 3123, 3195, 3645, 5205, 5751, 6561, 9369, 9585, 10935, 15615, 17253, 24637, 28107, 28755, 32805, 46845, 51759, 73911, 84321, 86265, 123185, 140535, 155277, 221733, 252963, 258795, 369555, 421605, 465831, 665199, 758889, 776385, 1108665, 1264815, 1995597, 2276667, 2329155, 3325995, 3794445, 5986791, 9977985, 11383335, 17960373, 29933955, 53881119, 89801865, 161643357, 269405595, 808216785]

約数ペア:

[(1, 808216785), (3, 269405595), (5, 161643357), (9, 89801865), (15, 53881119), (27, 29933955), (45, 17960373), (71, 11383335), (81, 9977985), (135, 5986791), (213, 3794445), (243, 3325995), (347, 2329155), (355, 2276667), (405, 1995597), (639, 1264815), (729, 1108665), (1041, 776385), (1065, 758889), (1215, 665199), (1735, 465831), (1917, 421605), (2187, 369555), (3123, 258795), (3195, 252963), (3645, 221733), (5205, 155277), (5751, 140535), (6561, 123185), (9369, 86265), (9585, 84321), (10935, 73911), (15615, 51759), (17253, 46845), (24637, 32805), (28107, 28755)]