128941239

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{701}}^1$

素因数の和:1191

約数の個数: 32

約数和(自身を含む): 207567360

約数和(自身を除く): 78626121

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 461, 701, 1383, 2103, 3227, 4907, 8759, 9681, 13319, 14721, 26277, 39957, 61313, 93233, 183939, 279699, 323161, 969483, 2262127, 6140059, 6786381, 18420177, 42980413, 128941239]

約数ペア:

[(1, 128941239), (3, 42980413), (7, 18420177), (19, 6786381), (21, 6140059), (57, 2262127), (133, 969483), (399, 323161), (461, 279699), (701, 183939), (1383, 93233), (2103, 61313), (3227, 39957), (4907, 26277), (8759, 14721), (9681, 13319)]