81701961

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1447}}^1$

素因数の和:1549

約数の個数: 32

約数和(自身を含む): 125107200

約数和(自身を除く): 43405239

約数列:

[1, 3, 11, 29, 33, 59, 87, 177, 319, 649, 957, 1447, 1711, 1947, 4341, 5133, 15917, 18821, 41963, 47751, 56463, 85373, 125889, 256119, 461593, 939103, 1384779, 2475817, 2817309, 7427451, 27233987, 81701961]

約数ペア:

[(1, 81701961), (3, 27233987), (11, 7427451), (29, 2817309), (33, 2475817), (59, 1384779), (87, 939103), (177, 461593), (319, 256119), (649, 125889), (957, 85373), (1447, 56463), (1711, 47751), (1947, 41963), (4341, 18821), (5133, 15917)]