31848939

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 51397632

約数和(自身を除く): 19548693

約数列:

[1, 3, 9, 17, 43, 47, 51, 103, 129, 141, 153, 309, 387, 423, 731, 799, 927, 1751, 2021, 2193, 2397, 4429, 4841, 5253, 6063, 6579, 7191, 13287, 14523, 15759, 18189, 34357, 39861, 43569, 75293, 82297, 103071, 208163, 225879, 246891, 309213, 624489, 677637, 740673, 1873467, 3538771, 10616313, 31848939]

約数ペア:

[(1, 31848939), (3, 10616313), (9, 3538771), (17, 1873467), (43, 740673), (47, 677637), (51, 624489), (103, 309213), (129, 246891), (141, 225879), (153, 208163), (309, 103071), (387, 82297), (423, 75293), (731, 43569), (799, 39861), (927, 34357), (1751, 18189), (2021, 15759), (2193, 14523), (2397, 13287), (4429, 7191), (4841, 6579), (5253, 6063)]