25238619

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12923}}^1$

素因数の和:12967

約数の個数: 24

約数和(自身を含む): 43011072

約数和(自身を除く): 17772453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 12923, 38769, 90461, 116307, 271383, 400613, 814149, 1201839, 2804291, 3605517, 8412873, 25238619]

約数ペア:

[(1, 25238619), (3, 8412873), (7, 3605517), (9, 2804291), (21, 1201839), (31, 814149), (63, 400613), (93, 271383), (217, 116307), (279, 90461), (651, 38769), (1953, 12923)]