28257519

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{9391}}^1$

素因数の和:9470

約数の個数: 16

約数和(自身を含む): 40573440

約数和(自身を除く): 12315921

約数列:

[1, 3, 17, 51, 59, 177, 1003, 3009, 9391, 28173, 159647, 478941, 554069, 1662207, 9419173, 28257519]

約数ペア:

[(1, 28257519), (3, 9419173), (17, 1662207), (51, 554069), (59, 478941), (177, 159647), (1003, 28173), (3009, 9391)]