71793945

素因数分解:

$3^4\times 5^1\times {\mathrm{177269}}^1$

素因数の和:177286

約数の個数: 20

約数和(自身を含む): 128698020

約数和(自身を除く): 56904075

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 177269, 531807, 886345, 1595421, 2659035, 4786263, 7977105, 14358789, 23931315, 71793945]

約数ペア:

[(1, 71793945), (3, 23931315), (5, 14358789), (9, 7977105), (15, 4786263), (27, 2659035), (45, 1595421), (81, 886345), (135, 531807), (405, 177269)]