15726717

素因数分解:

$3^9\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:91

約数の個数: 40

約数和(自身を含む): 25508736

約数和(自身を除く): 9782019

約数列:

[1, 3, 9, 17, 27, 47, 51, 81, 141, 153, 243, 423, 459, 729, 799, 1269, 1377, 2187, 2397, 3807, 4131, 6561, 7191, 11421, 12393, 19683, 21573, 34263, 37179, 64719, 102789, 111537, 194157, 308367, 334611, 582471, 925101, 1747413, 5242239, 15726717]

約数ペア:

[(1, 15726717), (3, 5242239), (9, 1747413), (17, 925101), (27, 582471), (47, 334611), (51, 308367), (81, 194157), (141, 111537), (153, 102789), (243, 64719), (423, 37179), (459, 34263), (729, 21573), (799, 19683), (1269, 12393), (1377, 11421), (2187, 7191), (2397, 6561), (3807, 4131)]