28117743

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 39707568

約数和(自身を除く): 11589825

約数列:

[1, 3, 37, 43, 111, 129, 137, 411, 1591, 1849, 4773, 5069, 5547, 5891, 15207, 17673, 68413, 205239, 217967, 253313, 653901, 759939, 9372581, 28117743]

約数ペア:

[(1, 28117743), (3, 9372581), (37, 759939), (43, 653901), (111, 253313), (129, 217967), (137, 205239), (411, 68413), (1591, 17673), (1849, 15207), (4773, 5891), (5069, 5547)]