171880947

素因数分解:

$3^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2731}}^1$

素因数の和:2790

約数の個数: 48

約数和(自身を含む): 302312192

約数和(自身を除く): 130431245

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 243, 259, 333, 567, 777, 999, 1701, 2331, 2731, 2997, 6993, 8193, 8991, 19117, 20979, 24579, 57351, 62937, 73737, 101047, 172053, 221211, 303141, 516159, 663633, 707329, 909423, 1548477, 2121987, 2728269, 4645431, 6365961, 8184807, 19097883, 24554421, 57293649, 171880947]

約数ペア:

[(1, 171880947), (3, 57293649), (7, 24554421), (9, 19097883), (21, 8184807), (27, 6365961), (37, 4645431), (63, 2728269), (81, 2121987), (111, 1548477), (189, 909423), (243, 707329), (259, 663633), (333, 516159), (567, 303141), (777, 221211), (999, 172053), (1701, 101047), (2331, 73737), (2731, 62937), (2997, 57351), (6993, 24579), (8193, 20979), (8991, 19117)]