26720145

素因数分解:

$3^3\times 5^1\times {\mathrm{197927}}^1$

素因数の和:197941

約数の個数: 16

約数和(自身を含む): 47502720

約数和(自身を除く): 20782575

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 197927, 593781, 989635, 1781343, 2968905, 5344029, 8906715, 26720145]

約数ペア:

[(1, 26720145), (3, 8906715), (5, 5344029), (9, 2968905), (15, 1781343), (27, 989635), (45, 593781), (135, 197927)]