12345620721

素因数分解:

$3^1\times 7^1\times {\mathrm{14843}}^1\times {\mathrm{39607}}^1$

素因数の和:54460

約数の個数: 16

約数和(自身を含む): 18814116864

約数和(自身を除く): 6468496143

約数列:

[1, 3, 7, 21, 14843, 39607, 44529, 103901, 118821, 277249, 311703, 831747, 587886701, 1763660103, 4115206907, 12345620721]

約数ペア:

[(1, 12345620721), (3, 4115206907), (7, 1763660103), (21, 587886701), (14843, 831747), (39607, 311703), (44529, 277249), (103901, 118821)]