216315

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:64

約数の個数: 48

約数和(自身を含む): 449280

約数和(自身を除く): 232965

約数列:

[1, 3, 5, 9, 11, 15, 19, 23, 33, 45, 55, 57, 69, 95, 99, 115, 165, 171, 207, 209, 253, 285, 345, 437, 495, 627, 759, 855, 1035, 1045, 1265, 1311, 1881, 2185, 2277, 3135, 3795, 3933, 4807, 6555, 9405, 11385, 14421, 19665, 24035, 43263, 72105, 216315]

約数ペア:

[(1, 216315), (3, 72105), (5, 43263), (9, 24035), (11, 19665), (15, 14421), (19, 11385), (23, 9405), (33, 6555), (45, 4807), (55, 3933), (57, 3795), (69, 3135), (95, 2277), (99, 2185), (115, 1881), (165, 1311), (171, 1265), (207, 1045), (209, 1035), (253, 855), (285, 759), (345, 627), (437, 495)]