28359009

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26479}}^1$

素因数の和:26509

約数の個数: 24

約数和(自身を含む): 49570560

約数和(自身を除く): 21211551

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 26479, 79437, 185353, 238311, 450143, 556059, 1350429, 1668177, 3151001, 4051287, 9453003, 28359009]

約数ペア:

[(1, 28359009), (3, 9453003), (7, 4051287), (9, 3151001), (17, 1668177), (21, 1350429), (51, 556059), (63, 450143), (119, 238311), (153, 185353), (357, 79437), (1071, 26479)]