28919607

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 41572608

約数和(自身を除く): 12653001

約数列:

[1, 3, 37, 43, 73, 83, 111, 129, 219, 249, 1591, 2701, 3071, 3139, 3569, 4773, 6059, 8103, 9213, 9417, 10707, 18177, 116143, 132053, 224183, 260537, 348429, 396159, 672549, 781611, 9639869, 28919607]

約数ペア:

[(1, 28919607), (3, 9639869), (37, 781611), (43, 672549), (73, 396159), (83, 348429), (111, 260537), (129, 224183), (219, 132053), (249, 116143), (1591, 18177), (2701, 10707), (3071, 9417), (3139, 9213), (3569, 8103), (4773, 6059)]