28388895

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{683}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 48460032

約数和(自身を除く): 20071137

約数列:

[1, 3, 5, 15, 17, 51, 85, 163, 255, 489, 683, 815, 2049, 2445, 2771, 3415, 8313, 10245, 11611, 13855, 34833, 41565, 58055, 111329, 174165, 333987, 556645, 1669935, 1892593, 5677779, 9462965, 28388895]

約数ペア:

[(1, 28388895), (3, 9462965), (5, 5677779), (15, 1892593), (17, 1669935), (51, 556645), (85, 333987), (163, 174165), (255, 111329), (489, 58055), (683, 41565), (815, 34833), (2049, 13855), (2445, 11611), (2771, 10245), (3415, 8313)]