388942479

素因数分解:

$3^4\times {\mathrm{691}}^1\times {\mathrm{6949}}^1$

素因数の和:7652

約数の個数: 20

約数和(自身を含む): 581937400

約数和(自身を除く): 192994921

約数列:

[1, 3, 9, 27, 81, 691, 2073, 6219, 6949, 18657, 20847, 55971, 62541, 187623, 562869, 4801759, 14405277, 43215831, 129647493, 388942479]

約数ペア:

[(1, 388942479), (3, 129647493), (9, 43215831), (27, 14405277), (81, 4801759), (691, 562869), (2073, 187623), (6219, 62541), (6949, 55971), (18657, 20847)]