268905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 532224

約数和(自身を除く): 263319

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 197, 273, 455, 591, 985, 1365, 1379, 2561, 2955, 4137, 6895, 7683, 12805, 17927, 20685, 38415, 53781, 89635, 268905]

約数ペア:

[(1, 268905), (3, 89635), (5, 53781), (7, 38415), (13, 20685), (15, 17927), (21, 12805), (35, 7683), (39, 6895), (65, 4137), (91, 2955), (105, 2561), (195, 1379), (197, 1365), (273, 985), (455, 591)]