788892921

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{20183}}^1$

素因数の和:20333

約数の個数: 24

約数和(自身を含む): 1177615296

約数和(自身を除く): 388722375

約数列:

[1, 3, 9, 43, 101, 129, 303, 387, 909, 4343, 13029, 20183, 39087, 60549, 181647, 867869, 2038483, 2603607, 6115449, 7810821, 18346347, 87654769, 262964307, 788892921]

約数ペア:

[(1, 788892921), (3, 262964307), (9, 87654769), (43, 18346347), (101, 7810821), (129, 6115449), (303, 2603607), (387, 2038483), (909, 867869), (4343, 181647), (13029, 60549), (20183, 39087)]