1217781

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 32

約数和(自身を含む): 1969920

約数和(自身を除く): 752139

約数列:

[1, 3, 9, 23, 27, 37, 53, 69, 111, 159, 207, 333, 477, 621, 851, 999, 1219, 1431, 1961, 2553, 3657, 5883, 7659, 10971, 17649, 22977, 32913, 45103, 52947, 135309, 405927, 1217781]

約数ペア:

[(1, 1217781), (3, 405927), (9, 135309), (23, 52947), (27, 45103), (37, 32913), (53, 22977), (69, 17649), (111, 10971), (159, 7659), (207, 5883), (333, 3657), (477, 2553), (621, 1961), (851, 1431), (999, 1219)]