207788655

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{1103}}^1$

素因数の和:1791

約数の個数: 32

約数和(自身を含む): 350807040

約数和(自身を除く): 143018385

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 661, 1103, 1983, 3305, 3309, 5515, 9915, 12559, 16545, 20957, 37677, 62795, 62871, 104785, 188385, 314355, 729083, 2187249, 3645415, 10936245, 13852577, 41557731, 69262885, 207788655]

約数ペア:

[(1, 207788655), (3, 69262885), (5, 41557731), (15, 13852577), (19, 10936245), (57, 3645415), (95, 2187249), (285, 729083), (661, 314355), (1103, 188385), (1983, 104785), (3305, 62871), (3309, 62795), (5515, 37677), (9915, 20957), (12559, 16545)]