25218207

素因数分解:

$3^2\times 7^1\times {\mathrm{613}}^1\times {\mathrm{653}}^1$

素因数の和:1279

約数の個数: 24

約数和(自身を含む): 41761824

約数和(自身を除く): 16543617

約数列:

[1, 3, 7, 9, 21, 63, 613, 653, 1839, 1959, 4291, 4571, 5517, 5877, 12873, 13713, 38619, 41139, 400289, 1200867, 2802023, 3602601, 8406069, 25218207]

約数ペア:

[(1, 25218207), (3, 8406069), (7, 3602601), (9, 2802023), (21, 1200867), (63, 400289), (613, 41139), (653, 38619), (1839, 13713), (1959, 12873), (4291, 5877), (4571, 5517)]