25721253

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{25747}}^1$

素因数の和:25793

約数の個数: 16

約数和(自身を含む): 39136960

約数和(自身を除く): 13415707

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 25747, 77241, 231723, 695169, 952639, 2857917, 8573751, 25721253]

約数ペア:

[(1, 25721253), (3, 8573751), (9, 2857917), (27, 952639), (37, 695169), (111, 231723), (333, 77241), (999, 25747)]