256105899

素因数分解:

$3^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{5987}}^1$

素因数の和:6104

約数の個数: 36

約数和(自身を含む): 434836584

約数和(自身を除く): 178730685

約数列:

[1, 3, 7, 9, 21, 49, 63, 97, 147, 291, 441, 679, 873, 2037, 4753, 5987, 6111, 14259, 17961, 41909, 42777, 53883, 125727, 293363, 377181, 580739, 880089, 1742217, 2640267, 4065173, 5226651, 12195519, 28456211, 36586557, 85368633, 256105899]

約数ペア:

[(1, 256105899), (3, 85368633), (7, 36586557), (9, 28456211), (21, 12195519), (49, 5226651), (63, 4065173), (97, 2640267), (147, 1742217), (291, 880089), (441, 580739), (679, 377181), (873, 293363), (2037, 125727), (4753, 53883), (5987, 42777), (6111, 41909), (14259, 17961)]