25224759

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1217}}^1$

素因数の和:1284

約数の個数: 36

約数和(自身を含む): 43321824

約数和(自身を除く): 18097065

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 1217, 2303, 2961, 3651, 6909, 8519, 10953, 20727, 25557, 57199, 59633, 76671, 171597, 178899, 400393, 514791, 536697, 1201179, 2802751, 3603537, 8408253, 25224759]

約数ペア:

[(1, 25224759), (3, 8408253), (7, 3603537), (9, 2802751), (21, 1201179), (47, 536697), (49, 514791), (63, 400393), (141, 178899), (147, 171597), (329, 76671), (423, 59633), (441, 57199), (987, 25557), (1217, 20727), (2303, 10953), (2961, 8519), (3651, 6909)]