72648009

素因数分解:

$3^5\times 7^1\times {\mathrm{42709}}^1$

素因数の和:42731

約数の個数: 24

約数和(自身を含む): 124371520

約数和(自身を除く): 51723511

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 42709, 128127, 298963, 384381, 896889, 1153143, 2690667, 3459429, 8072001, 10378287, 24216003, 72648009]

約数ペア:

[(1, 72648009), (3, 24216003), (7, 10378287), (9, 8072001), (21, 3459429), (27, 2690667), (63, 1153143), (81, 896889), (189, 384381), (243, 298963), (567, 128127), (1701, 42709)]