281130531

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{13249}}^1$

素因数の和:13906

約数の個数: 16

約数和(自身を含む): 409584000

約数和(自身を除く): 128453469

約数列:

[1, 3, 11, 33, 643, 1929, 7073, 13249, 21219, 39747, 145739, 437217, 8519107, 25557321, 93710177, 281130531]

約数ペア:

[(1, 281130531), (3, 93710177), (11, 25557321), (33, 8519107), (643, 437217), (1929, 145739), (7073, 39747), (13249, 21219)]