42207081

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 68947200

約数和(自身を除く): 26740119

約数列:

[1, 3, 7, 21, 41, 47, 49, 123, 141, 147, 149, 287, 329, 447, 861, 987, 1043, 1927, 2009, 2303, 3129, 5781, 6027, 6109, 6909, 7003, 7301, 13489, 18327, 21009, 21903, 40467, 42763, 49021, 94423, 128289, 147063, 283269, 287123, 299341, 343147, 861369, 898023, 1029441, 2009861, 6029583, 14069027, 42207081]

約数ペア:

[(1, 42207081), (3, 14069027), (7, 6029583), (21, 2009861), (41, 1029441), (47, 898023), (49, 861369), (123, 343147), (141, 299341), (147, 287123), (149, 283269), (287, 147063), (329, 128289), (447, 94423), (861, 49021), (987, 42763), (1043, 40467), (1927, 21903), (2009, 21009), (2303, 18327), (3129, 13489), (5781, 7301), (6027, 7003), (6109, 6909)]