28772007

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{51287}}^1$

素因数の和:51318

約数の個数: 16

約数和(自身を含む): 44312832

約数和(自身を除く): 15540825

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 51287, 153861, 564157, 871879, 1692471, 2615637, 9590669, 28772007]

約数ペア:

[(1, 28772007), (3, 9590669), (11, 2615637), (17, 1692471), (33, 871879), (51, 564157), (187, 153861), (561, 51287)]