217601073

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{19609}}^1$

素因数の和:19758

約数の個数: 20

約数和(自身を含む): 327447780

約数和(自身を除く): 109846707

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 3699, 11097, 19609, 58827, 176481, 529443, 1588329, 2686433, 8059299, 24177897, 72533691, 217601073]

約数ペア:

[(1, 217601073), (3, 72533691), (9, 24177897), (27, 8059299), (81, 2686433), (137, 1588329), (411, 529443), (1233, 176481), (3699, 58827), (11097, 19609)]