2912891919

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7300481}}^1$

素因数の和:7300510

約数の個数: 16

約数和(自身を含む): 4672308480

約数和(自身を除く): 1759416561

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 7300481, 21901443, 51103367, 138709139, 153310101, 416127417, 970963973, 2912891919]

約数ペア:

[(1, 2912891919), (3, 970963973), (7, 416127417), (19, 153310101), (21, 138709139), (57, 51103367), (133, 21901443), (399, 7300481)]