51902319

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{18583}}^1$

素因数の和:18619

約数の個数: 24

約数和(自身を含む): 84743040

約数和(自身を除く): 32840721

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 18583, 55749, 130081, 353077, 390243, 910567, 1059231, 2471539, 2731701, 7414617, 17300773, 51902319]

約数ペア:

[(1, 51902319), (3, 17300773), (7, 7414617), (19, 2731701), (21, 2471539), (49, 1059231), (57, 910567), (133, 390243), (147, 353077), (399, 130081), (931, 55749), (2793, 18583)]