219942945

素因数分解:

$3^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{727}}^1$

素因数の和:833

約数の個数: 56

約数和(自身を含む): 401034816

約数和(自身を除く): 181091871

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 83, 135, 243, 249, 405, 415, 727, 729, 747, 1215, 1245, 2181, 2241, 3635, 3645, 3735, 6543, 6723, 10905, 11205, 19629, 20169, 32715, 33615, 58887, 60341, 60507, 98145, 100845, 176661, 181023, 294435, 301705, 302535, 529983, 543069, 883305, 905115, 1629207, 2649915, 2715345, 4887621, 8146035, 14662863, 24438105, 43988589, 73314315, 219942945]

約数ペア:

[(1, 219942945), (3, 73314315), (5, 43988589), (9, 24438105), (15, 14662863), (27, 8146035), (45, 4887621), (81, 2715345), (83, 2649915), (135, 1629207), (243, 905115), (249, 883305), (405, 543069), (415, 529983), (727, 302535), (729, 301705), (747, 294435), (1215, 181023), (1245, 176661), (2181, 100845), (2241, 98145), (3635, 60507), (3645, 60341), (3735, 58887), (6543, 33615), (6723, 32715), (10905, 20169), (11205, 19629)]