2247807891

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{718379}}^1$

素因数の和:718538

約数の個数: 16

約数和(自身を含む): 3448224000

約数和(自身を除く): 1200416109

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 718379, 2155137, 5028653, 15085959, 107038471, 321115413, 749269297, 2247807891]

約数ペア:

[(1, 2247807891), (3, 749269297), (7, 321115413), (21, 107038471), (149, 15085959), (447, 5028653), (1043, 2155137), (3129, 718379)]