2809143

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 4305600

約数和(自身を除く): 1496457

約数列:

[1, 3, 9, 29, 47, 87, 141, 229, 261, 423, 687, 1363, 2061, 4089, 6641, 10763, 12267, 19923, 32289, 59769, 96867, 312127, 936381, 2809143]

約数ペア:

[(1, 2809143), (3, 936381), (9, 312127), (29, 96867), (47, 59769), (87, 32289), (141, 19923), (229, 12267), (261, 10763), (423, 6641), (687, 4089), (1363, 2061)]