205331355

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9941}}^1$

素因数の和:9978

約数の個数: 48

約数和(自身を含む): 390839904

約数和(自身を除く): 185508549

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 765, 1215, 1377, 2295, 4131, 6885, 9941, 20655, 29823, 49705, 89469, 149115, 168997, 268407, 447345, 506991, 805221, 844985, 1342035, 1520973, 2415663, 2534955, 4026105, 4562919, 7604865, 12078315, 13688757, 22814595, 41066271, 68443785, 205331355]

約数ペア:

[(1, 205331355), (3, 68443785), (5, 41066271), (9, 22814595), (15, 13688757), (17, 12078315), (27, 7604865), (45, 4562919), (51, 4026105), (81, 2534955), (85, 2415663), (135, 1520973), (153, 1342035), (243, 844985), (255, 805221), (405, 506991), (459, 447345), (765, 268407), (1215, 168997), (1377, 149115), (2295, 89469), (4131, 49705), (6885, 29823), (9941, 20655)]