201765921

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 338534400

約数和(自身を除く): 136768479

約数列:

[1, 3, 7, 19, 21, 37, 57, 79, 111, 133, 173, 237, 259, 399, 519, 553, 703, 777, 1211, 1501, 1659, 2109, 2923, 3287, 3633, 4503, 4921, 6401, 8769, 9861, 10507, 13667, 14763, 19203, 20461, 23009, 31521, 41001, 44807, 55537, 61383, 69027, 95669, 121619, 134421, 166611, 259673, 287007, 364857, 388759, 505679, 779019, 851333, 1166277, 1517037, 1817711, 2553999, 3539753, 5453133, 9607901, 10619259, 28823703, 67255307, 201765921]

約数ペア:

[(1, 201765921), (3, 67255307), (7, 28823703), (19, 10619259), (21, 9607901), (37, 5453133), (57, 3539753), (79, 2553999), (111, 1817711), (133, 1517037), (173, 1166277), (237, 851333), (259, 779019), (399, 505679), (519, 388759), (553, 364857), (703, 287007), (777, 259673), (1211, 166611), (1501, 134421), (1659, 121619), (2109, 95669), (2923, 69027), (3287, 61383), (3633, 55537), (4503, 44807), (4921, 41001), (6401, 31521), (8769, 23009), (9861, 20461), (10507, 19203), (13667, 14763)]