387693441

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{739}}^1\times {\mathrm{821}}^1$

素因数の和:1637

約数の個数: 24

約数和(自身を含む): 569350080

約数和(自身を除く): 181656639

約数列:

[1, 3, 9, 71, 213, 639, 739, 821, 2217, 2463, 6651, 7389, 52469, 58291, 157407, 174873, 472221, 524619, 606719, 1820157, 5460471, 43077049, 129231147, 387693441]

約数ペア:

[(1, 387693441), (3, 129231147), (9, 43077049), (71, 5460471), (213, 1820157), (639, 606719), (739, 524619), (821, 472221), (2217, 174873), (2463, 157407), (6651, 58291), (7389, 52469)]