2019969694845

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16381}}^1\times {\mathrm{63727}}^1$

素因数の和:80162

約数の個数: 48

約数和(自身を含む): 3582980873472

約数和(自身を除く): 1563011178627

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 16381, 49143, 63727, 81905, 147429, 191181, 245715, 318635, 573543, 704383, 737145, 955905, 2113149, 2740261, 2867715, 3521915, 6339447, 8220783, 10565745, 13701305, 24662349, 31697235, 41103915, 123311745, 1043911987, 3131735961, 5219559935, 9395207883, 15658679805, 44888215441, 46976039415, 134664646323, 224441077205, 403993938969, 673323231615, 2019969694845]

約数ペア:

[(1, 2019969694845), (3, 673323231615), (5, 403993938969), (9, 224441077205), (15, 134664646323), (43, 46976039415), (45, 44888215441), (129, 15658679805), (215, 9395207883), (387, 5219559935), (645, 3131735961), (1935, 1043911987), (16381, 123311745), (49143, 41103915), (63727, 31697235), (81905, 24662349), (147429, 13701305), (191181, 10565745), (245715, 8220783), (318635, 6339447), (573543, 3521915), (704383, 2867715), (737145, 2740261), (955905, 2113149)]