28692945

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 53826240

約数和(自身を除く): 25133295

約数列:

[1, 3, 5, 9, 15, 19, 37, 45, 57, 95, 111, 171, 185, 285, 333, 555, 703, 855, 907, 1665, 2109, 2721, 3515, 4535, 6327, 8163, 10545, 13605, 17233, 31635, 33559, 40815, 51699, 86165, 100677, 155097, 167795, 258495, 302031, 503385, 637621, 775485, 1510155, 1912863, 3188105, 5738589, 9564315, 28692945]

約数ペア:

[(1, 28692945), (3, 9564315), (5, 5738589), (9, 3188105), (15, 1912863), (19, 1510155), (37, 775485), (45, 637621), (57, 503385), (95, 302031), (111, 258495), (171, 167795), (185, 155097), (285, 100677), (333, 86165), (555, 51699), (703, 40815), (855, 33559), (907, 31635), (1665, 17233), (2109, 13605), (2721, 10545), (3515, 8163), (4535, 6327)]