2040255

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 4423680

約数和(自身を除く): 2383425

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 127, 135, 153, 189, 255, 315, 357, 381, 459, 595, 635, 765, 889, 945, 1071, 1143, 1785, 1905, 2159, 2295, 2667, 3213, 3429, 4445, 5355, 5715, 6477, 8001, 10795, 13335, 15113, 16065, 17145, 19431, 24003, 32385, 40005, 45339, 58293, 75565, 97155, 120015, 136017, 226695, 291465, 408051, 680085, 2040255]

約数ペア:

[(1, 2040255), (3, 680085), (5, 408051), (7, 291465), (9, 226695), (15, 136017), (17, 120015), (21, 97155), (27, 75565), (35, 58293), (45, 45339), (51, 40005), (63, 32385), (85, 24003), (105, 19431), (119, 17145), (127, 16065), (135, 15113), (153, 13335), (189, 10795), (255, 8001), (315, 6477), (357, 5715), (381, 5355), (459, 4445), (595, 3429), (635, 3213), (765, 2667), (889, 2295), (945, 2159), (1071, 1905), (1143, 1785)]