210318561

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 324350208

約数和(自身を除く): 114031647

約数列:

[1, 3, 9, 41, 47, 67, 123, 141, 181, 201, 369, 423, 543, 603, 1629, 1927, 2747, 3149, 5781, 7421, 8241, 8507, 9447, 12127, 17343, 22263, 24723, 25521, 28341, 36381, 66789, 76563, 109143, 129109, 348787, 387327, 497207, 569969, 1046361, 1161981, 1491621, 1709907, 3139083, 4474863, 5129721, 23368729, 70106187, 210318561]

約数ペア:

[(1, 210318561), (3, 70106187), (9, 23368729), (41, 5129721), (47, 4474863), (67, 3139083), (123, 1709907), (141, 1491621), (181, 1161981), (201, 1046361), (369, 569969), (423, 497207), (543, 387327), (603, 348787), (1629, 129109), (1927, 109143), (2747, 76563), (3149, 66789), (5781, 36381), (7421, 28341), (8241, 25521), (8507, 24723), (9447, 22263), (12127, 17343)]