309213

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 24

約数和(自身を含む): 494208

約数和(自身を除く): 184995

約数列:

[1, 3, 9, 17, 43, 47, 51, 129, 141, 153, 387, 423, 731, 799, 2021, 2193, 2397, 6063, 6579, 7191, 18189, 34357, 103071, 309213]

約数ペア:

[(1, 309213), (3, 103071), (9, 34357), (17, 18189), (43, 7191), (47, 6579), (51, 6063), (129, 2397), (141, 2193), (153, 2021), (387, 799), (423, 731)]