205904085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{3217}}^1$

素因数の和:3493

約数の個数: 32

約数和(自身を含む): 350324352

約数和(自身を除く): 144420267

約数列:

[1, 3, 5, 15, 17, 51, 85, 251, 255, 753, 1255, 3217, 3765, 4267, 9651, 12801, 16085, 21335, 48255, 54689, 64005, 164067, 273445, 807467, 820335, 2422401, 4037335, 12112005, 13726939, 41180817, 68634695, 205904085]

約数ペア:

[(1, 205904085), (3, 68634695), (5, 41180817), (15, 13726939), (17, 12112005), (51, 4037335), (85, 2422401), (251, 820335), (255, 807467), (753, 273445), (1255, 164067), (3217, 64005), (3765, 54689), (4267, 48255), (9651, 21335), (12801, 16085)]