28159803

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26293}}^1$

素因数の和:26323

約数の個数: 24

約数和(自身を含む): 49222368

約数和(自身を除く): 21062565

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 26293, 78879, 184051, 236637, 446981, 552153, 1340943, 1656459, 3128867, 4022829, 9386601, 28159803]

約数ペア:

[(1, 28159803), (3, 9386601), (7, 4022829), (9, 3128867), (17, 1656459), (21, 1340943), (51, 552153), (63, 446981), (119, 236637), (153, 184051), (357, 78879), (1071, 26293)]