131779921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{9719}}^1$

素因数の和:9888

約数の個数: 16

約数和(自身を含む): 163296000

約数和(自身を除く): 31516079

約数列:

[1, 7, 13, 91, 149, 1043, 1937, 9719, 13559, 68033, 126347, 884429, 1448131, 10136917, 18825703, 131779921]

約数ペア:

[(1, 131779921), (7, 18825703), (13, 10136917), (91, 1448131), (149, 884429), (1043, 126347), (1937, 68033), (9719, 13559)]