129567789

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{881}}^1$

素因数の和:1322

約数の個数: 32

約数和(自身を含む): 207446400

約数和(自身を除く): 77878611

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 419, 881, 1257, 2643, 3771, 5447, 7929, 11313, 11453, 16341, 23787, 34359, 49023, 103077, 147069, 309231, 369139, 1107417, 3322251, 4798807, 9966753, 14396421, 43189263, 129567789]

約数ペア:

[(1, 129567789), (3, 43189263), (9, 14396421), (13, 9966753), (27, 4798807), (39, 3322251), (117, 1107417), (351, 369139), (419, 309231), (881, 147069), (1257, 103077), (2643, 49023), (3771, 34359), (5447, 23787), (7929, 16341), (11313, 11453)]