2548755

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 5091840

約数和(自身を除く): 2543085

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 271, 285, 495, 627, 813, 855, 1045, 1355, 1881, 2439, 2981, 3135, 4065, 5149, 8943, 9405, 12195, 14905, 15447, 25745, 26829, 44715, 46341, 56639, 77235, 134145, 169917, 231705, 283195, 509751, 849585, 2548755]

約数ペア:

[(1, 2548755), (3, 849585), (5, 509751), (9, 283195), (11, 231705), (15, 169917), (19, 134145), (33, 77235), (45, 56639), (55, 46341), (57, 44715), (95, 26829), (99, 25745), (165, 15447), (171, 14905), (209, 12195), (271, 9405), (285, 8943), (495, 5149), (627, 4065), (813, 3135), (855, 2981), (1045, 2439), (1355, 1881)]