165780909

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{138497}}^1$

素因数の和:138529

約数の個数: 24

約数和(自身を含む): 288075840

約数和(自身を除く): 122294931

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 138497, 415491, 969479, 1246473, 2631443, 2908437, 7894329, 8725311, 18420101, 23682987, 55260303, 165780909]

約数ペア:

[(1, 165780909), (3, 55260303), (7, 23682987), (9, 18420101), (19, 8725311), (21, 7894329), (57, 2908437), (63, 2631443), (133, 1246473), (171, 969479), (399, 415491), (1197, 138497)]