28926039

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{977}}^1$

素因数の和:1190

約数の個数: 16

約数和(自身を含む): 39432960

約数和(自身を除く): 10506921

約数列:

[1, 3, 71, 139, 213, 417, 977, 2931, 9869, 29607, 69367, 135803, 208101, 407409, 9642013, 28926039]

約数ペア:

[(1, 28926039), (3, 9642013), (71, 407409), (139, 208101), (213, 135803), (417, 69367), (977, 29607), (2931, 9869)]