231766815

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 437529600

約数和(自身を除く): 205762785

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 107, 147, 245, 321, 343, 421, 535, 735, 749, 1029, 1263, 1605, 1715, 2105, 2247, 2947, 3745, 5145, 5243, 6315, 8841, 11235, 14735, 15729, 20629, 26215, 36701, 44205, 45047, 61887, 78645, 103145, 110103, 135141, 144403, 183505, 225235, 309435, 315329, 433209, 550515, 675705, 722015, 945987, 1576645, 2166045, 2207303, 4729935, 6621909, 11036515, 15451121, 33109545, 46353363, 77255605, 231766815]

約数ペア:

[(1, 231766815), (3, 77255605), (5, 46353363), (7, 33109545), (15, 15451121), (21, 11036515), (35, 6621909), (49, 4729935), (105, 2207303), (107, 2166045), (147, 1576645), (245, 945987), (321, 722015), (343, 675705), (421, 550515), (535, 433209), (735, 315329), (749, 309435), (1029, 225235), (1263, 183505), (1605, 144403), (1715, 135141), (2105, 110103), (2247, 103145), (2947, 78645), (3745, 61887), (5145, 45047), (5243, 44205), (6315, 36701), (8841, 26215), (11235, 20629), (14735, 15729)]