27970607

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 32735232

約数和(自身を除く): 4764625

約数列:

[1, 7, 73, 127, 431, 511, 889, 3017, 9271, 31463, 54737, 64897, 220241, 383159, 3995801, 27970607]

約数ペア:

[(1, 27970607), (7, 3995801), (73, 383159), (127, 220241), (431, 64897), (511, 54737), (889, 31463), (3017, 9271)]