821905299

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4957}}^1$

素因数の和:5081

約数の個数: 40

約数和(自身を含む): 1295822880

約数和(自身を除く): 473917581

約数列:

[1, 3, 9, 23, 27, 69, 81, 89, 207, 267, 621, 801, 1863, 2047, 2403, 4957, 6141, 7209, 14871, 18423, 44613, 55269, 114011, 133839, 165807, 342033, 401517, 441173, 1026099, 1323519, 3078297, 3970557, 9234891, 10146979, 11911671, 30440937, 35735013, 91322811, 273968433, 821905299]

約数ペア:

[(1, 821905299), (3, 273968433), (9, 91322811), (23, 35735013), (27, 30440937), (69, 11911671), (81, 10146979), (89, 9234891), (207, 3970557), (267, 3078297), (621, 1323519), (801, 1026099), (1863, 441173), (2047, 401517), (2403, 342033), (4957, 165807), (6141, 133839), (7209, 114011), (14871, 55269), (18423, 44613)]