820078077

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{311}}^1\times {\mathrm{743}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 1359341568

約数和(自身を除く): 539263491

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 311, 507, 743, 933, 1183, 2177, 2229, 3549, 4043, 5201, 6531, 9659, 12129, 15603, 28301, 28977, 52559, 67613, 84903, 125567, 157677, 202839, 231073, 367913, 376701, 693219, 878969, 1103739, 1617511, 2636907, 3003949, 4852533, 9011847, 21027643, 39051337, 63082929, 117154011, 273359359, 820078077]

約数ペア:

[(1, 820078077), (3, 273359359), (7, 117154011), (13, 63082929), (21, 39051337), (39, 21027643), (91, 9011847), (169, 4852533), (273, 3003949), (311, 2636907), (507, 1617511), (743, 1103739), (933, 878969), (1183, 693219), (2177, 376701), (2229, 367913), (3549, 231073), (4043, 202839), (5201, 157677), (6531, 125567), (9659, 84903), (12129, 67613), (15603, 52559), (28301, 28977)]