28569843

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 46500480

約数和(自身を除く): 17930637

約数列:

[1, 3, 9, 17, 29, 47, 51, 87, 137, 141, 153, 261, 411, 423, 493, 799, 1233, 1363, 1479, 2329, 2397, 3973, 4089, 4437, 6439, 6987, 7191, 11919, 12267, 19317, 20961, 23171, 35757, 57951, 67541, 69513, 109463, 186731, 202623, 208539, 328389, 560193, 607869, 985167, 1680579, 3174427, 9523281, 28569843]

約数ペア:

[(1, 28569843), (3, 9523281), (9, 3174427), (17, 1680579), (29, 985167), (47, 607869), (51, 560193), (87, 328389), (137, 208539), (141, 202623), (153, 186731), (261, 109463), (411, 69513), (423, 67541), (493, 57951), (799, 35757), (1233, 23171), (1363, 20961), (1479, 19317), (2329, 12267), (2397, 11919), (3973, 7191), (4089, 6987), (4437, 6439)]