127958913

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{5569}}^1$

素因数の和:5638

約数の個数: 32

約数和(自身を含む): 203193600

約数和(自身を除く): 75234687

約数列:

[1, 3, 9, 23, 27, 37, 69, 111, 207, 333, 621, 851, 999, 2553, 5569, 7659, 16707, 22977, 50121, 128087, 150363, 206053, 384261, 618159, 1152783, 1854477, 3458349, 4739219, 5563431, 14217657, 42652971, 127958913]

約数ペア:

[(1, 127958913), (3, 42652971), (9, 14217657), (23, 5563431), (27, 4739219), (37, 3458349), (69, 1854477), (111, 1152783), (207, 618159), (333, 384261), (621, 206053), (851, 150363), (999, 128087), (2553, 50121), (5569, 22977), (7659, 16707)]