25328961

素因数分解:

$3^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{983}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 41957760

約数和(自身を除く): 16628799

約数列:

[1, 3, 7, 9, 21, 63, 409, 983, 1227, 2863, 2949, 3681, 6881, 8589, 8847, 20643, 25767, 61929, 402047, 1206141, 2814329, 3618423, 8442987, 25328961]

約数ペア:

[(1, 25328961), (3, 8442987), (7, 3618423), (9, 2814329), (21, 1206141), (63, 402047), (409, 61929), (983, 25767), (1227, 20643), (2863, 8847), (2949, 8589), (3681, 6881)]