5128137

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 8898560

約数和(自身を除く): 3770423

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 631, 903, 1161, 1893, 2709, 4417, 5679, 8127, 13251, 17037, 27133, 39753, 81399, 119259, 189931, 244197, 569793, 732591, 1709379, 5128137]

約数ペア:

[(1, 5128137), (3, 1709379), (7, 732591), (9, 569793), (21, 244197), (27, 189931), (43, 119259), (63, 81399), (129, 39753), (189, 27133), (301, 17037), (387, 13251), (631, 8127), (903, 5679), (1161, 4417), (1893, 2709)]