690717363

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{220747}}^1$

素因数の和:220906

約数の個数: 16

約数和(自身を含む): 1059590400

約数和(自身を除く): 368873037

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 220747, 662241, 1545229, 4635687, 32891303, 98673909, 230239121, 690717363]

約数ペア:

[(1, 690717363), (3, 230239121), (7, 98673909), (21, 32891303), (149, 4635687), (447, 1545229), (1043, 662241), (3129, 220747)]