128242533

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{20641}}^1$

素因数の和:20772

約数の個数: 16

約数和(自身を含む): 181649600

約数和(自身を除く): 53407067

約数列:

[1, 3, 19, 57, 109, 327, 2071, 6213, 20641, 61923, 392179, 1176537, 2249869, 6749607, 42747511, 128242533]

約数ペア:

[(1, 128242533), (3, 42747511), (19, 6749607), (57, 2249869), (109, 1176537), (327, 392179), (2071, 61923), (6213, 20641)]