25806561

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 40134528

約数和(自身を除く): 14327967

約数列:

[1, 3, 11, 17, 33, 51, 157, 187, 293, 471, 561, 879, 1727, 2669, 3223, 4981, 5181, 8007, 9669, 14943, 29359, 46001, 54791, 88077, 138003, 164373, 506011, 782017, 1518033, 2346051, 8602187, 25806561]

約数ペア:

[(1, 25806561), (3, 8602187), (11, 2346051), (17, 1518033), (33, 782017), (51, 506011), (157, 164373), (187, 138003), (293, 88077), (471, 54791), (561, 46001), (879, 29359), (1727, 14943), (2669, 9669), (3223, 8007), (4981, 5181)]