208078990497

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{46518889}}^1$

素因数の和:46518973

約数の個数: 24

約数和(自身を含む): 348333448320

約数和(自身を除く): 140254457823

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 46518889, 139556667, 325632223, 418670001, 976896669, 2930690007, 3302841119, 9908523357, 23119887833, 29725570071, 69359663499, 208078990497]

約数ペア:

[(1, 208078990497), (3, 69359663499), (7, 29725570071), (9, 23119887833), (21, 9908523357), (63, 3302841119), (71, 2930690007), (213, 976896669), (497, 418670001), (639, 325632223), (1491, 139556667), (4473, 46518889)]