28921233

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1725

約数の個数: 32

約数和(自身を含む): 46006272

約数和(自身を除く): 17085039

約数列:

[1, 3, 11, 17, 31, 33, 51, 93, 187, 341, 527, 561, 1023, 1581, 1663, 4989, 5797, 17391, 18293, 28271, 51553, 54879, 84813, 154659, 310981, 567083, 876401, 932943, 1701249, 2629203, 9640411, 28921233]

約数ペア:

[(1, 28921233), (3, 9640411), (11, 2629203), (17, 1701249), (31, 932943), (33, 876401), (51, 567083), (93, 310981), (187, 154659), (341, 84813), (527, 54879), (561, 51553), (1023, 28271), (1581, 18293), (1663, 17391), (4989, 5797)]