1808788131

素因数分解:

$3^3\times {\mathrm{1571}}^1\times {\mathrm{42643}}^1$

素因数の和:44223

約数の個数: 16

約数和(自身を含む): 2681454720

約数和(自身を除く): 872666589

約数列:

[1, 3, 9, 27, 1571, 4713, 14139, 42417, 42643, 127929, 383787, 1151361, 66992153, 200976459, 602929377, 1808788131]

約数ペア:

[(1, 1808788131), (3, 602929377), (9, 200976459), (27, 66992153), (1571, 1151361), (4713, 383787), (14139, 127929), (42417, 42643)]