138886143

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{221509}}^1$

素因数の和:221542

約数の個数: 16

約数和(自身を含む): 212649600

約数和(自身を除く): 73763457

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 221509, 664527, 2436599, 4208671, 7309797, 12626013, 46295381, 138886143]

約数ペア:

[(1, 138886143), (3, 46295381), (11, 12626013), (19, 7309797), (33, 4208671), (57, 2436599), (209, 664527), (627, 221509)]