25990389

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{6827}}^1$

素因数の和:6886

約数の個数: 20

約数和(自身を含む): 39657024

約数和(自身を除く): 13666635

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 6827, 20481, 61443, 184329, 320869, 552987, 962607, 2887821, 8663463, 25990389]

約数ペア:

[(1, 25990389), (3, 8663463), (9, 2887821), (27, 962607), (47, 552987), (81, 320869), (141, 184329), (423, 61443), (1269, 20481), (3807, 6827)]