42020391

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{9857}}^1$

素因数の和:9903

約数の個数: 24

約数和(自身を含む): 67428720

約数和(自身を除く): 25408329

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 9857, 29571, 68999, 206997, 285853, 482993, 857559, 1448979, 2000971, 6002913, 14006797, 42020391]

約数ペア:

[(1, 42020391), (3, 14006797), (7, 6002913), (21, 2000971), (29, 1448979), (49, 857559), (87, 482993), (147, 285853), (203, 206997), (609, 68999), (1421, 29571), (4263, 9857)]