211340591

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{7603}}^1$

素因数の和:7659

約数の個数: 24

約数和(自身を含む): 278123904

約数和(自身を除く): 66783313

約数列:

[1, 7, 11, 19, 77, 133, 209, 361, 1463, 2527, 3971, 7603, 27797, 53221, 83633, 144457, 585431, 1011199, 1589027, 2744683, 11123189, 19212781, 30191513, 211340591]

約数ペア:

[(1, 211340591), (7, 30191513), (11, 19212781), (19, 11123189), (77, 2744683), (133, 1589027), (209, 1011199), (361, 585431), (1463, 144457), (2527, 83633), (3971, 53221), (7603, 27797)]