497993811

素因数分解:

$3^1\times 7^4\times {\mathrm{47}}^1\times {\mathrm{1471}}^1$

素因数の和:1549

約数の個数: 40

約数和(自身を含む): 791629824

約数和(自身を除く): 293636013

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 343, 987, 1029, 1471, 2303, 2401, 4413, 6909, 7203, 10297, 16121, 30891, 48363, 69137, 72079, 112847, 207411, 216237, 338541, 483959, 504553, 1451877, 1513659, 3387713, 3531871, 10163139, 10595613, 23713991, 71141973, 165997937, 497993811]

約数ペア:

[(1, 497993811), (3, 165997937), (7, 71141973), (21, 23713991), (47, 10595613), (49, 10163139), (141, 3531871), (147, 3387713), (329, 1513659), (343, 1451877), (987, 504553), (1029, 483959), (1471, 338541), (2303, 216237), (2401, 207411), (4413, 112847), (6909, 72079), (7203, 69137), (10297, 48363), (16121, 30891)]