28889715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{409}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 49239360

約数和(自身を除く): 20349645

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 277, 409, 831, 1227, 1385, 2045, 4155, 4709, 6135, 6953, 14127, 20859, 23545, 34765, 70635, 104295, 113293, 339879, 566465, 1699395, 1925981, 5777943, 9629905, 28889715]

約数ペア:

[(1, 28889715), (3, 9629905), (5, 5777943), (15, 1925981), (17, 1699395), (51, 566465), (85, 339879), (255, 113293), (277, 104295), (409, 70635), (831, 34765), (1227, 23545), (1385, 20859), (2045, 14127), (4155, 6953), (4709, 6135)]