421330497

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{95087}}^1$

素因数の和:95308

約数の個数: 16

約数和(自身を含む): 645076992

約数和(自身を除く): 223746495

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4431, 95087, 285261, 665609, 1996827, 20063357, 60190071, 140443499, 421330497]

約数ペア:

[(1, 421330497), (3, 140443499), (7, 60190071), (21, 20063357), (211, 1996827), (633, 665609), (1477, 285261), (4431, 95087)]