30578067

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:505

約数の個数: 40

約数和(自身を含む): 50006880

約数和(自身を除く): 19428813

約数列:

[1, 3, 9, 13, 27, 39, 71, 81, 117, 213, 351, 409, 639, 923, 1053, 1227, 1917, 2769, 3681, 5317, 5751, 8307, 11043, 15951, 24921, 29039, 33129, 47853, 74763, 87117, 143559, 261351, 377507, 430677, 784053, 1132521, 2352159, 3397563, 10192689, 30578067]

約数ペア:

[(1, 30578067), (3, 10192689), (9, 3397563), (13, 2352159), (27, 1132521), (39, 784053), (71, 430677), (81, 377507), (117, 261351), (213, 143559), (351, 87117), (409, 74763), (639, 47853), (923, 33129), (1053, 29039), (1227, 24921), (1917, 15951), (2769, 11043), (3681, 8307), (5317, 5751)]