204865485

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1459}}^1$

素因数の和:1538

約数の個数: 64

約数和(自身を含む): 383477760

約数和(自身を除く): 178612275

約数列:

[1, 3, 5, 11, 15, 23, 33, 37, 55, 69, 111, 115, 165, 185, 253, 345, 407, 555, 759, 851, 1221, 1265, 1459, 2035, 2553, 3795, 4255, 4377, 6105, 7295, 9361, 12765, 16049, 21885, 28083, 33557, 46805, 48147, 53983, 80245, 100671, 140415, 161949, 167785, 240735, 269915, 369127, 503355, 593813, 809745, 1107381, 1241609, 1781439, 1845635, 2969065, 3724827, 5536905, 6208045, 8907195, 13657699, 18624135, 40973097, 68288495, 204865485]

約数ペア:

[(1, 204865485), (3, 68288495), (5, 40973097), (11, 18624135), (15, 13657699), (23, 8907195), (33, 6208045), (37, 5536905), (55, 3724827), (69, 2969065), (111, 1845635), (115, 1781439), (165, 1241609), (185, 1107381), (253, 809745), (345, 593813), (407, 503355), (555, 369127), (759, 269915), (851, 240735), (1221, 167785), (1265, 161949), (1459, 140415), (2035, 100671), (2553, 80245), (3795, 53983), (4255, 48147), (4377, 46805), (6105, 33557), (7295, 28083), (9361, 21885), (12765, 16049)]