18298275

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 32140800

約数和(自身を除く): 13842525

約数列:

[1, 3, 5, 15, 25, 29, 47, 75, 87, 141, 145, 179, 235, 435, 537, 705, 725, 895, 1175, 1363, 2175, 2685, 3525, 4089, 4475, 5191, 6815, 8413, 13425, 15573, 20445, 25239, 25955, 34075, 42065, 77865, 102225, 126195, 129775, 210325, 243977, 389325, 630975, 731931, 1219885, 3659655, 6099425, 18298275]

約数ペア:

[(1, 18298275), (3, 6099425), (5, 3659655), (15, 1219885), (25, 731931), (29, 630975), (47, 389325), (75, 243977), (87, 210325), (141, 129775), (145, 126195), (179, 102225), (235, 77865), (435, 42065), (537, 34075), (705, 25955), (725, 25239), (895, 20445), (1175, 15573), (1363, 13425), (2175, 8413), (2685, 6815), (3525, 5191), (4089, 4475)]