201764781

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{4027}}^1$

素因数の和:4345

約数の個数: 24

約数和(自身を含む): 307900320

約数和(自身を除く): 106135539

約数列:

[1, 3, 9, 19, 57, 171, 293, 879, 2637, 4027, 5567, 12081, 16701, 36243, 50103, 76513, 229539, 688617, 1179911, 3539733, 10619199, 22418309, 67254927, 201764781]

約数ペア:

[(1, 201764781), (3, 67254927), (9, 22418309), (19, 10619199), (57, 3539733), (171, 1179911), (293, 688617), (879, 229539), (2637, 76513), (4027, 50103), (5567, 36243), (12081, 16701)]