217551465

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2609}}^1$

素因数の和:2746

約数の個数: 48

約数和(自身を含む): 403088400

約数和(自身を除く): 185536935

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 109, 153, 255, 327, 545, 765, 981, 1635, 1853, 2609, 4905, 5559, 7827, 9265, 13045, 16677, 23481, 27795, 39135, 44353, 83385, 117405, 133059, 221765, 284381, 399177, 665295, 853143, 1421905, 1995885, 2559429, 4265715, 4834477, 12797145, 14503431, 24172385, 43510293, 72517155, 217551465]

約数ペア:

[(1, 217551465), (3, 72517155), (5, 43510293), (9, 24172385), (15, 14503431), (17, 12797145), (45, 4834477), (51, 4265715), (85, 2559429), (109, 1995885), (153, 1421905), (255, 853143), (327, 665295), (545, 399177), (765, 284381), (981, 221765), (1635, 133059), (1853, 117405), (2609, 83385), (4905, 44353), (5559, 39135), (7827, 27795), (9265, 23481), (13045, 16677)]