200720751

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:764

約数の個数: 64

約数和(自身を含む): 358318080

約数和(自身を除く): 157597329

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 79, 119, 187, 231, 237, 357, 553, 561, 647, 869, 1309, 1343, 1659, 1941, 2607, 3927, 4029, 4529, 6083, 7117, 9401, 10999, 13587, 14773, 18249, 21351, 28203, 32997, 44319, 49819, 51113, 76993, 103411, 120989, 149457, 153339, 230979, 310233, 357791, 362967, 562243, 846923, 868921, 1073373, 1686729, 2540769, 2606763, 3935701, 6082447, 9558131, 11807103, 18247341, 28674393, 66906917, 200720751]

約数ペア:

[(1, 200720751), (3, 66906917), (7, 28674393), (11, 18247341), (17, 11807103), (21, 9558131), (33, 6082447), (51, 3935701), (77, 2606763), (79, 2540769), (119, 1686729), (187, 1073373), (231, 868921), (237, 846923), (357, 562243), (553, 362967), (561, 357791), (647, 310233), (869, 230979), (1309, 153339), (1343, 149457), (1659, 120989), (1941, 103411), (2607, 76993), (3927, 51113), (4029, 49819), (4529, 44319), (6083, 32997), (7117, 28203), (9401, 21351), (10999, 18249), (13587, 14773)]