399331361

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{21317}}^1$

素因数の和:21472

約数の個数: 16

約数和(自身を含む): 472747968

約数和(自身を除く): 73416607

約数列:

[1, 11, 13, 131, 143, 1441, 1703, 18733, 21317, 234487, 277121, 2792527, 3048331, 30717797, 36302851, 399331361]

約数ペア:

[(1, 399331361), (11, 36302851), (13, 30717797), (131, 3048331), (143, 2792527), (1441, 277121), (1703, 234487), (18733, 21317)]