205387623

素因数分解:

$3^3\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1951}}^1$

素因数の和:2524

約数の個数: 32

約数和(自身を含む): 348549120

約数和(自身を除く): 143161497

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 557, 1671, 1951, 3899, 5013, 5853, 11697, 13657, 15039, 17559, 35091, 40971, 52677, 105273, 122913, 368739, 1086707, 3260121, 7606949, 9780363, 22820847, 29341089, 68462541, 205387623]

約数ペア:

[(1, 205387623), (3, 68462541), (7, 29341089), (9, 22820847), (21, 9780363), (27, 7606949), (63, 3260121), (189, 1086707), (557, 368739), (1671, 122913), (1951, 105273), (3899, 52677), (5013, 40971), (5853, 35091), (11697, 17559), (13657, 15039)]