205428123

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 309553920

約数和(自身を除く): 104125797

約数列:

[1, 3, 9, 27, 107, 211, 321, 337, 633, 963, 1011, 1899, 2889, 3033, 5697, 9099, 22577, 36059, 67731, 71107, 108177, 203193, 213321, 324531, 609579, 639963, 973593, 1919889, 7608449, 22825347, 68476041, 205428123]

約数ペア:

[(1, 205428123), (3, 68476041), (9, 22825347), (27, 7608449), (107, 1919889), (211, 973593), (321, 639963), (337, 609579), (633, 324531), (963, 213321), (1011, 203193), (1899, 108177), (2889, 71107), (3033, 67731), (5697, 36059), (9099, 22577)]