9978003

素因数分解:

$3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{631}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 16563456

約数和(自身を除く): 6585453

約数列:

[1, 3, 7, 9, 21, 63, 251, 631, 753, 1757, 1893, 2259, 4417, 5271, 5679, 13251, 15813, 39753, 158381, 475143, 1108667, 1425429, 3326001, 9978003]

約数ペア:

[(1, 9978003), (3, 3326001), (7, 1425429), (9, 1108667), (21, 475143), (63, 158381), (251, 39753), (631, 15813), (753, 13251), (1757, 5679), (1893, 5271), (2259, 4417)]