28680003

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{17041}}^1$

素因数の和:17075

約数の個数: 24

約数和(自身を含む): 47853936

約数和(自身を除く): 19173933

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 17041, 51123, 153369, 187451, 289697, 562353, 869091, 1687059, 2607273, 3186667, 9560001, 28680003]

約数ペア:

[(1, 28680003), (3, 9560001), (9, 3186667), (11, 2607273), (17, 1687059), (33, 869091), (51, 562353), (99, 289697), (153, 187451), (187, 153369), (561, 51123), (1683, 17041)]