27191721

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 39099520

約数和(自身を除く): 11907799

約数列:

[1, 3, 17, 51, 79, 237, 289, 397, 867, 1191, 1343, 4029, 6749, 20247, 22831, 31363, 68493, 94089, 114733, 344199, 533171, 1599513, 9063907, 27191721]

約数ペア:

[(1, 27191721), (3, 9063907), (17, 1599513), (51, 533171), (79, 344199), (237, 114733), (289, 94089), (397, 68493), (867, 31363), (1191, 22831), (1343, 20247), (4029, 6749)]