28139913

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 44651520

約数和(自身を除く): 16511607

約数列:

[1, 3, 9, 17, 27, 51, 101, 153, 303, 459, 607, 909, 1717, 1821, 2727, 5151, 5463, 10319, 15453, 16389, 30957, 46359, 61307, 92871, 183921, 278613, 551763, 1042219, 1655289, 3126657, 9379971, 28139913]

約数ペア:

[(1, 28139913), (3, 9379971), (9, 3126657), (17, 1655289), (27, 1042219), (51, 551763), (101, 278613), (153, 183921), (303, 92871), (459, 61307), (607, 46359), (909, 30957), (1717, 16389), (1821, 15453), (2727, 10319), (5151, 5463)]