200913111

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{25111}}^1$

素因数の和:25251

約数の個数: 24

約数和(自身を含む): 334290944

約数和(自身を除く): 133377833

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 25111, 75333, 175777, 225999, 527331, 1581993, 3189097, 9567291, 22323679, 28701873, 66971037, 200913111]

約数ペア:

[(1, 200913111), (3, 66971037), (7, 28701873), (9, 22323679), (21, 9567291), (63, 3189097), (127, 1581993), (381, 527331), (889, 225999), (1143, 175777), (2667, 75333), (8001, 25111)]