30198721

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 35354880

約数和(自身を除く): 5156159

約数列:

[1, 7, 61, 197, 359, 427, 1379, 2513, 12017, 21899, 70723, 84119, 153293, 495061, 4314103, 30198721]

約数ペア:

[(1, 30198721), (7, 4314103), (61, 495061), (197, 153293), (359, 84119), (427, 70723), (1379, 21899), (2513, 12017)]