12975471

素因数分解:

$3^7\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 20664000

約数和(自身を除く): 7688529

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 349, 459, 729, 1047, 1377, 2187, 3141, 4131, 5933, 9423, 12393, 17799, 28269, 37179, 53397, 84807, 160191, 254421, 480573, 763263, 1441719, 4325157, 12975471]

約数ペア:

[(1, 12975471), (3, 4325157), (9, 1441719), (17, 763263), (27, 480573), (51, 254421), (81, 160191), (153, 84807), (243, 53397), (349, 37179), (459, 28269), (729, 17799), (1047, 12393), (1377, 9423), (2187, 5933), (3141, 4131)]