161554911

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37897}}^1$

素因数の和:37943

約数の個数: 24

約数和(自身を含む): 259222320

約数和(自身を除く): 97667409

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 37897, 113691, 265279, 795837, 1099013, 1856953, 3297039, 5570859, 7693091, 23079273, 53851637, 161554911]

約数ペア:

[(1, 161554911), (3, 53851637), (7, 23079273), (21, 7693091), (29, 5570859), (49, 3297039), (87, 1856953), (147, 1099013), (203, 795837), (609, 265279), (1421, 113691), (4263, 37897)]