245471811

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{983}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 372503040

約数和(自身を除く): 127031229

約数列:

[1, 3, 13, 19, 39, 57, 247, 337, 741, 983, 1011, 2949, 4381, 6403, 12779, 13143, 18677, 19209, 38337, 56031, 83239, 242801, 249717, 331271, 728403, 993813, 4306523, 6294149, 12919569, 18882447, 81823937, 245471811]

約数ペア:

[(1, 245471811), (3, 81823937), (13, 18882447), (19, 12919569), (39, 6294149), (57, 4306523), (247, 993813), (337, 728403), (741, 331271), (983, 249717), (1011, 242801), (2949, 83239), (4381, 56031), (6403, 38337), (12779, 19209), (13143, 18677)]