1821301937

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{6947}}^1$

素因数の和:7077

約数の個数: 32

約数和(自身を含む): 2328302592

約数和(自身を除く): 507000655

約数列:

[1, 7, 13, 43, 67, 91, 301, 469, 559, 871, 2881, 3913, 6097, 6947, 20167, 37453, 48629, 90311, 262171, 298721, 465449, 632177, 2091047, 3258143, 3883373, 6050837, 20014307, 27183611, 42355859, 140100149, 260185991, 1821301937]

約数ペア:

[(1, 1821301937), (7, 260185991), (13, 140100149), (43, 42355859), (67, 27183611), (91, 20014307), (301, 6050837), (469, 3883373), (559, 3258143), (871, 2091047), (2881, 632177), (3913, 465449), (6097, 298721), (6947, 262171), (20167, 90311), (37453, 48629)]