28311701

素因数分解:

${\mathrm{11}}^3\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:361

約数の個数: 16

約数和(自身を含む): 31622400

約数和(自身を除く): 3310699

約数列:

[1, 11, 89, 121, 239, 979, 1331, 2629, 10769, 21271, 28919, 118459, 233981, 318109, 2573791, 28311701]

約数ペア:

[(1, 28311701), (11, 2573791), (89, 318109), (121, 233981), (239, 118459), (979, 28919), (1331, 21271), (2629, 10769)]