81366642

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1861}}^1$

素因数の和:2223

約数の個数: 48

約数和(自身を含む): 202168512

約数和(自身を除く): 120801870

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 347, 694, 1041, 1861, 2082, 2429, 3123, 3722, 4858, 5583, 6246, 7287, 11166, 13027, 14574, 16749, 21861, 26054, 33498, 39081, 43722, 78162, 117243, 234486, 645767, 1291534, 1937301, 3874602, 4520369, 5811903, 9040738, 11623806, 13561107, 27122214, 40683321, 81366642]

約数ペア:

[(1, 81366642), (2, 40683321), (3, 27122214), (6, 13561107), (7, 11623806), (9, 9040738), (14, 5811903), (18, 4520369), (21, 3874602), (42, 1937301), (63, 1291534), (126, 645767), (347, 234486), (694, 117243), (1041, 78162), (1861, 43722), (2082, 39081), (2429, 33498), (3123, 26054), (3722, 21861), (4858, 16749), (5583, 14574), (6246, 13027), (7287, 11166)]