9801987

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1979}}^1$

素因数の和:2122

約数の個数: 16

約数和(自身を含む): 14192640

約数和(自身を除く): 4390653

約数列:

[1, 3, 13, 39, 127, 381, 1651, 1979, 4953, 5937, 25727, 77181, 251333, 753999, 3267329, 9801987]

約数ペア:

[(1, 9801987), (3, 3267329), (13, 753999), (39, 251333), (127, 77181), (381, 25727), (1651, 5937), (1979, 4953)]