389621127

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{10211}}^1$

素因数の和:10323

約数の個数: 32

約数和(自身を含む): 627425280

約数和(自身を除く): 237804153

約数列:

[1, 3, 7, 21, 23, 69, 79, 161, 237, 483, 553, 1659, 1817, 5451, 10211, 12719, 30633, 38157, 71477, 214431, 234853, 704559, 806669, 1643971, 2420007, 4931913, 5646683, 16940049, 18553387, 55660161, 129873709, 389621127]

約数ペア:

[(1, 389621127), (3, 129873709), (7, 55660161), (21, 18553387), (23, 16940049), (69, 5646683), (79, 4931913), (161, 2420007), (237, 1643971), (483, 806669), (553, 704559), (1659, 234853), (1817, 214431), (5451, 71477), (10211, 38157), (12719, 30633)]