25971405

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{13217}}^1$

素因数の和:13356

約数の個数: 16

約数和(自身を含む): 41874624

約数和(自身を除く): 15903219

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 13217, 39651, 66085, 198255, 1731427, 5194281, 8657135, 25971405]

約数ペア:

[(1, 25971405), (3, 8657135), (5, 5194281), (15, 1731427), (131, 198255), (393, 66085), (655, 39651), (1965, 13217)]