205315035

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 365617152

約数和(自身を除く): 160302117

約数列:

[1, 3, 5, 15, 17, 37, 47, 51, 85, 111, 141, 185, 235, 255, 463, 555, 629, 705, 799, 1389, 1739, 1887, 2315, 2397, 3145, 3995, 5217, 6945, 7871, 8695, 9435, 11985, 17131, 21761, 23613, 26085, 29563, 39355, 51393, 65283, 85655, 88689, 108805, 118065, 147815, 256965, 291227, 326415, 369937, 443445, 805157, 873681, 1109811, 1456135, 1849685, 2415471, 4025785, 4368405, 5549055, 12077355, 13687669, 41063007, 68438345, 205315035]

約数ペア:

[(1, 205315035), (3, 68438345), (5, 41063007), (15, 13687669), (17, 12077355), (37, 5549055), (47, 4368405), (51, 4025785), (85, 2415471), (111, 1849685), (141, 1456135), (185, 1109811), (235, 873681), (255, 805157), (463, 443445), (555, 369937), (629, 326415), (705, 291227), (799, 256965), (1389, 147815), (1739, 118065), (1887, 108805), (2315, 88689), (2397, 85655), (3145, 65283), (3995, 51393), (5217, 39355), (6945, 29563), (7871, 26085), (8695, 23613), (9435, 21761), (11985, 17131)]