378339981

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{68059}}^1$

素因数の和:68188

約数の個数: 16

約数和(自身を含む): 539035200

約数和(自身を除く): 160695219

約数列:

[1, 3, 17, 51, 109, 327, 1853, 5559, 68059, 204177, 1157003, 3471009, 7418431, 22255293, 126113327, 378339981]

約数ペア:

[(1, 378339981), (3, 126113327), (17, 22255293), (51, 7418431), (109, 3471009), (327, 1157003), (1853, 204177), (5559, 68059)]