220137183

素因数分解:

$3^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1951}}^1$

素因数の和:2169

約数の個数: 40

約数和(自身を含む): 377907200

約数和(自身を除く): 157770017

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 199, 567, 597, 1393, 1791, 1951, 4179, 5373, 5853, 12537, 13657, 16119, 17559, 37611, 40971, 52677, 112833, 122913, 158031, 368739, 388249, 1106217, 1164747, 2717743, 3494241, 8153229, 10482723, 24459687, 31448169, 73379061, 220137183]

約数ペア:

[(1, 220137183), (3, 73379061), (7, 31448169), (9, 24459687), (21, 10482723), (27, 8153229), (63, 3494241), (81, 2717743), (189, 1164747), (199, 1106217), (567, 388249), (597, 368739), (1393, 158031), (1791, 122913), (1951, 112833), (4179, 52677), (5373, 40971), (5853, 37611), (12537, 17559), (13657, 16119)]