1227291291

素因数分解:

$3^3\times {\mathrm{641}}^1\times {\mathrm{70913}}^1$

素因数の和:71563

約数の個数: 16

約数和(自身を含む): 1821071520

約数和(自身を除く): 593780229

約数列:

[1, 3, 9, 27, 641, 1923, 5769, 17307, 70913, 212739, 638217, 1914651, 45455233, 136365699, 409097097, 1227291291]

約数ペア:

[(1, 1227291291), (3, 409097097), (9, 136365699), (27, 45455233), (641, 1914651), (1923, 638217), (5769, 212739), (17307, 70913)]