28481409

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5641}}^1$

素因数の和:5678

約数の個数: 32

約数和(自身を含む): 48746880

約数和(自身を除く): 20265471

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 153, 187, 297, 459, 561, 1683, 5049, 5641, 16923, 50769, 62051, 95897, 152307, 186153, 287691, 558459, 863073, 1054867, 1675377, 2589219, 3164601, 9493803, 28481409]

約数ペア:

[(1, 28481409), (3, 9493803), (9, 3164601), (11, 2589219), (17, 1675377), (27, 1054867), (33, 863073), (51, 558459), (99, 287691), (153, 186153), (187, 152307), (297, 95897), (459, 62051), (561, 50769), (1683, 16923), (5049, 5641)]