31219803

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{4001}}^1$

素因数の和:4044

約数の個数: 24

約数和(自身を含む): 49144560

約数和(自身を除く): 17924757

約数列:

[1, 3, 9, 17, 27, 51, 153, 289, 459, 867, 2601, 4001, 7803, 12003, 36009, 68017, 108027, 204051, 612153, 1156289, 1836459, 3468867, 10406601, 31219803]

約数ペア:

[(1, 31219803), (3, 10406601), (9, 3468867), (17, 1836459), (27, 1156289), (51, 612153), (153, 204051), (289, 108027), (459, 68017), (867, 36009), (2601, 12003), (4001, 7803)]