21736697085

素因数分解:

$3^4\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{27011}}^1$

素因数の和:29015

約数の個数: 40

約数和(自身を含む): 38986095456

約数和(自身を除く): 17249398371

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1987, 5961, 9935, 17883, 27011, 29805, 53649, 81033, 89415, 135055, 160947, 243099, 268245, 405165, 729297, 804735, 1215495, 2187891, 3646485, 10939455, 53670857, 161012571, 268354285, 483037713, 805062855, 1449113139, 2415188565, 4347339417, 7245565695, 21736697085]

約数ペア:

[(1, 21736697085), (3, 7245565695), (5, 4347339417), (9, 2415188565), (15, 1449113139), (27, 805062855), (45, 483037713), (81, 268354285), (135, 161012571), (405, 53670857), (1987, 10939455), (5961, 3646485), (9935, 2187891), (17883, 1215495), (27011, 804735), (29805, 729297), (53649, 405165), (81033, 268245), (89415, 243099), (135055, 160947)]