28203867

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{547}}^1$

素因数の和:907

約数の個数: 24

約数和(自身を含む): 43342416

約数和(自身を除く): 15138549

約数列:

[1, 3, 9, 17, 51, 153, 337, 547, 1011, 1641, 3033, 4923, 5729, 9299, 17187, 27897, 51561, 83691, 184339, 553017, 1659051, 3133763, 9401289, 28203867]

約数ペア:

[(1, 28203867), (3, 9401289), (9, 3133763), (17, 1659051), (51, 553017), (153, 184339), (337, 83691), (547, 51561), (1011, 27897), (1641, 17187), (3033, 9299), (4923, 5729)]