870219

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 1514240

約数和(自身を除く): 644021

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 727, 1197, 2181, 5089, 6543, 13813, 15267, 41439, 45801, 96691, 124317, 290073, 870219]

約数ペア:

[(1, 870219), (3, 290073), (7, 124317), (9, 96691), (19, 45801), (21, 41439), (57, 15267), (63, 13813), (133, 6543), (171, 5089), (399, 2181), (727, 1197)]