256543287

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{85429}}^1$

素因数の和:85463

約数の個数: 32

約数和(自身を含む): 459271680

約数和(自身を除く): 202728393

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 85429, 256287, 598003, 939719, 1110577, 1794009, 2819157, 3331731, 6578033, 7774039, 12216347, 19734099, 23322117, 36649041, 85514429, 256543287]

約数ペア:

[(1, 256543287), (3, 85514429), (7, 36649041), (11, 23322117), (13, 19734099), (21, 12216347), (33, 7774039), (39, 6578033), (77, 3331731), (91, 2819157), (143, 1794009), (231, 1110577), (273, 939719), (429, 598003), (1001, 256287), (3003, 85429)]