215935275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{169361}}^1$

素因数の和:169391

約数の個数: 24

約数和(自身を含む): 378015984

約数和(自身を除く): 162080709

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 169361, 508083, 846805, 2540415, 2879137, 4234025, 8637411, 12702075, 14395685, 43187055, 71978425, 215935275]

約数ペア:

[(1, 215935275), (3, 71978425), (5, 43187055), (15, 14395685), (17, 12702075), (25, 8637411), (51, 4234025), (75, 2879137), (85, 2540415), (255, 846805), (425, 508083), (1275, 169361)]