26820885

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 54028800

約数和(自身を除く): 27207915

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 343, 401, 455, 637, 735, 1029, 1203, 1365, 1715, 1911, 2005, 2807, 3185, 4459, 5145, 5213, 6015, 8421, 9555, 13377, 14035, 15639, 19649, 22295, 26065, 36491, 42105, 58947, 66885, 78195, 98245, 109473, 137543, 182455, 255437, 294735, 412629, 547365, 687715, 766311, 1277185, 1788059, 2063145, 3831555, 5364177, 8940295, 26820885]

約数ペア:

[(1, 26820885), (3, 8940295), (5, 5364177), (7, 3831555), (13, 2063145), (15, 1788059), (21, 1277185), (35, 766311), (39, 687715), (49, 547365), (65, 412629), (91, 294735), (105, 255437), (147, 182455), (195, 137543), (245, 109473), (273, 98245), (343, 78195), (401, 66885), (455, 58947), (637, 42105), (735, 36491), (1029, 26065), (1203, 22295), (1365, 19649), (1715, 15639), (1911, 14035), (2005, 13377), (2807, 9555), (3185, 8421), (4459, 6015), (5145, 5213)]