389552007

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{1559}}^1$

素因数の和:1767

約数の個数: 32

約数和(自身を含む): 576576000

約数和(自身を除く): 187023993

約数列:

[1, 3, 13, 39, 43, 129, 149, 447, 559, 1559, 1677, 1937, 4677, 5811, 6407, 19221, 20267, 60801, 67037, 83291, 201111, 232291, 249873, 696873, 871481, 2614443, 3019783, 9059349, 9988513, 29965539, 129850669, 389552007]

約数ペア:

[(1, 389552007), (3, 129850669), (13, 29965539), (39, 9988513), (43, 9059349), (129, 3019783), (149, 2614443), (447, 871481), (559, 696873), (1559, 249873), (1677, 232291), (1937, 201111), (4677, 83291), (5811, 67037), (6407, 60801), (19221, 20267)]