255689259

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{8933}}^1$

素因数の和:9019

約数の個数: 32

約数和(自身を含む): 411678720

約数和(自身を除く): 155989461

約数列:

[1, 3, 7, 21, 29, 47, 87, 141, 203, 329, 609, 987, 1363, 4089, 8933, 9541, 26799, 28623, 62531, 187593, 259057, 419851, 777171, 1259553, 1813399, 2938957, 5440197, 8816871, 12175679, 36527037, 85229753, 255689259]

約数ペア:

[(1, 255689259), (3, 85229753), (7, 36527037), (21, 12175679), (29, 8816871), (47, 5440197), (87, 2938957), (141, 1813399), (203, 1259553), (329, 777171), (609, 419851), (987, 259057), (1363, 187593), (4089, 62531), (8933, 28623), (9541, 26799)]