42828219

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{39989}}^1$

素因数の和:40019

約数の個数: 24

約数和(自身を含む): 74861280

約数和(自身を除く): 32033061

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 39989, 119967, 279923, 359901, 679813, 839769, 2039439, 2519307, 4758691, 6118317, 14276073, 42828219]

約数ペア:

[(1, 42828219), (3, 14276073), (7, 6118317), (9, 4758691), (17, 2519307), (21, 2039439), (51, 839769), (63, 679813), (119, 359901), (153, 279923), (357, 119967), (1071, 39989)]