206590419

素因数分解:

$3^4\times 7^2\times {\mathrm{52051}}^1$

素因数の和:52077

約数の個数: 30

約数和(自身を含む): 359002644

約数和(自身を除く): 152412225

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 52051, 156153, 364357, 468459, 1093071, 1405377, 2550499, 3279213, 4216131, 7651497, 9837639, 22954491, 29512917, 68863473, 206590419]

約数ペア:

[(1, 206590419), (3, 68863473), (7, 29512917), (9, 22954491), (21, 9837639), (27, 7651497), (49, 4216131), (63, 3279213), (81, 2550499), (147, 1405377), (189, 1093071), (441, 468459), (567, 364357), (1323, 156153), (3969, 52051)]