28705365

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49069}}^1$

素因数の和:49093

約数の個数: 24

約数和(自身を含む): 53584440

約数和(自身を除く): 24879075

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 49069, 147207, 245345, 441621, 637897, 736035, 1913691, 2208105, 3189485, 5741073, 9568455, 28705365]

約数ペア:

[(1, 28705365), (3, 9568455), (5, 5741073), (9, 3189485), (13, 2208105), (15, 1913691), (39, 736035), (45, 637897), (65, 441621), (117, 245345), (195, 147207), (585, 49069)]