28656159

素因数分解:

$3^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{1877}}^1$

素因数の和:2614

約数の個数: 16

約数和(自身を含む): 43749888

約数和(自身を除く): 15093729

約数列:

[1, 3, 7, 21, 727, 1877, 2181, 5089, 5631, 13139, 15267, 39417, 1364579, 4093737, 9552053, 28656159]

約数ペア:

[(1, 28656159), (3, 9552053), (7, 4093737), (21, 1364579), (727, 39417), (1877, 15267), (2181, 13139), (5089, 5631)]