209799747

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{2399}}^1$

素因数の和:2528

約数の個数: 32

約数和(自身を含む): 322560000

約数和(自身を除く): 112760253

約数列:

[1, 3, 9, 27, 41, 79, 123, 237, 369, 711, 1107, 2133, 2399, 3239, 7197, 9717, 21591, 29151, 64773, 87453, 98359, 189521, 295077, 568563, 885231, 1705689, 2655693, 5117067, 7770361, 23311083, 69933249, 209799747]

約数ペア:

[(1, 209799747), (3, 69933249), (9, 23311083), (27, 7770361), (41, 5117067), (79, 2655693), (123, 1705689), (237, 885231), (369, 568563), (711, 295077), (1107, 189521), (2133, 98359), (2399, 87453), (3239, 64773), (7197, 29151), (9717, 21591)]