2811399

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:334

約数の個数: 16

約数和(自身を含む): 3883008

約数和(自身を除く): 1071609

約数列:

[1, 3, 47, 127, 141, 157, 381, 471, 5969, 7379, 17907, 19939, 22137, 59817, 937133, 2811399]

約数ペア:

[(1, 2811399), (3, 937133), (47, 59817), (127, 22137), (141, 19939), (157, 17907), (381, 7379), (471, 5969)]