30831591

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1289}}^1$

素因数の和:1383

約数の個数: 32

約数和(自身を含む): 50526720

約数和(自身を除く): 19695129

約数列:

[1, 3, 7, 17, 21, 51, 67, 119, 201, 357, 469, 1139, 1289, 1407, 3417, 3867, 7973, 9023, 21913, 23919, 27069, 65739, 86363, 153391, 259089, 460173, 604541, 1468171, 1813623, 4404513, 10277197, 30831591]

約数ペア:

[(1, 30831591), (3, 10277197), (7, 4404513), (17, 1813623), (21, 1468171), (51, 604541), (67, 460173), (119, 259089), (201, 153391), (357, 86363), (469, 65739), (1139, 27069), (1289, 23919), (1407, 21913), (3417, 9023), (3867, 7973)]