66406221

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{6547}}^1$

素因数の和:6590

約数の個数: 36

約数和(自身を含む): 116449632

約数和(自身を除く): 50043411

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 3381, 6547, 10143, 19641, 45829, 58923, 137487, 150581, 320803, 412461, 451743, 962409, 1054067, 1355229, 2887227, 3162201, 7378469, 9486603, 22135407, 66406221]

約数ペア:

[(1, 66406221), (3, 22135407), (7, 9486603), (9, 7378469), (21, 3162201), (23, 2887227), (49, 1355229), (63, 1054067), (69, 962409), (147, 451743), (161, 412461), (207, 320803), (441, 150581), (483, 137487), (1127, 58923), (1449, 45829), (3381, 19641), (6547, 10143)]