28726065

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6581}}^1$

素因数の和:6689

約数の個数: 24

約数和(自身を含む): 50312808

約数和(自身を除く): 21586743

約数列:

[1, 3, 5, 9, 15, 45, 97, 291, 485, 873, 1455, 4365, 6581, 19743, 32905, 59229, 98715, 296145, 638357, 1915071, 3191785, 5745213, 9575355, 28726065]

約数ペア:

[(1, 28726065), (3, 9575355), (5, 5745213), (9, 3191785), (15, 1915071), (45, 638357), (97, 296145), (291, 98715), (485, 59229), (873, 32905), (1455, 19743), (4365, 6581)]