678742389

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{6833}}^1$

素因数の和:7138

約数の個数: 32

約数和(自身を含む): 1086879360

約数和(自身を除く): 408136971

約数列:

[1, 3, 9, 13, 27, 39, 117, 283, 351, 849, 2547, 3679, 6833, 7641, 11037, 20499, 33111, 61497, 88829, 99333, 184491, 266487, 799461, 1933739, 2398383, 5801217, 17403651, 25138607, 52210953, 75415821, 226247463, 678742389]

約数ペア:

[(1, 678742389), (3, 226247463), (9, 75415821), (13, 52210953), (27, 25138607), (39, 17403651), (117, 5801217), (283, 2398383), (351, 1933739), (849, 799461), (2547, 266487), (3679, 184491), (6833, 99333), (7641, 88829), (11037, 61497), (20499, 33111)]