25890207

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{18401}}^1$

素因数の和:18478

約数の個数: 16

約数和(自身を含む): 40042752

約数和(自身を除く): 14152545

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 18401, 55203, 128807, 386421, 1232867, 3698601, 8630069, 25890207]

約数ペア:

[(1, 25890207), (3, 8630069), (7, 3698601), (21, 1232867), (67, 386421), (201, 128807), (469, 55203), (1407, 18401)]