28907397

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1847}}^1$

素因数の和:1937

約数の個数: 24

約数和(自身を含む): 43819776

約数和(自身を除く): 14912379

約数列:

[1, 3, 9, 37, 47, 111, 141, 333, 423, 1739, 1847, 5217, 5541, 15651, 16623, 68339, 86809, 205017, 260427, 615051, 781281, 3211933, 9635799, 28907397]

約数ペア:

[(1, 28907397), (3, 9635799), (9, 3211933), (37, 781281), (47, 615051), (111, 260427), (141, 205017), (333, 86809), (423, 68339), (1739, 16623), (1847, 15651), (5217, 5541)]