978809871

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1320931}}^1$

素因数の和:1320966

約数の個数: 16

約数和(自身を含む): 1479443840

約数和(自身を除く): 500633969

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 1320931, 3962793, 17172103, 25097689, 51516309, 75293067, 326269957, 978809871]

約数ペア:

[(1, 978809871), (3, 326269957), (13, 75293067), (19, 51516309), (39, 25097689), (57, 17172103), (247, 3962793), (741, 1320931)]