77756721

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 134246400

約数和(自身を除く): 56489679

約数列:

[1, 3, 7, 19, 21, 23, 37, 57, 69, 111, 133, 161, 229, 259, 399, 437, 483, 687, 703, 777, 851, 1311, 1603, 2109, 2553, 3059, 4351, 4809, 4921, 5267, 5957, 8473, 9177, 13053, 14763, 15801, 16169, 17871, 25419, 30457, 36869, 48507, 59311, 91371, 100073, 110607, 113183, 160987, 177933, 194879, 300219, 339549, 482961, 584637, 700511, 1126909, 1364153, 2101533, 3380727, 3702701, 4092459, 11108103, 25918907, 77756721]

約数ペア:

[(1, 77756721), (3, 25918907), (7, 11108103), (19, 4092459), (21, 3702701), (23, 3380727), (37, 2101533), (57, 1364153), (69, 1126909), (111, 700511), (133, 584637), (161, 482961), (229, 339549), (259, 300219), (399, 194879), (437, 177933), (483, 160987), (687, 113183), (703, 110607), (777, 100073), (851, 91371), (1311, 59311), (1603, 48507), (2109, 36869), (2553, 30457), (3059, 25419), (4351, 17871), (4809, 16169), (4921, 15801), (5267, 14763), (5957, 13053), (8473, 9177)]