64774479

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{280409}}^1$

素因数の和:280430

約数の個数: 16

約数和(自身を含む): 107677440

約数和(自身を除く): 42902961

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 280409, 841227, 1962863, 3084499, 5888589, 9253497, 21591493, 64774479]

約数ペア:

[(1, 64774479), (3, 21591493), (7, 9253497), (11, 5888589), (21, 3084499), (33, 1962863), (77, 841227), (231, 280409)]