1945981569

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2989219}}^1$

素因数の和:2989260

約数の個数: 16

約数和(自身を含む): 3060961280

約数和(自身を除く): 1114979711

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 2989219, 8967657, 20924533, 62773599, 92665789, 277997367, 648660523, 1945981569]

約数ペア:

[(1, 1945981569), (3, 648660523), (7, 277997367), (21, 92665789), (31, 62773599), (93, 20924533), (217, 8967657), (651, 2989219)]