229718853

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{280487}}^1$

素因数の和:280513

約数の個数: 24

約数和(自身を含む): 408390528

約数和(自身を除く): 178671675

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 280487, 841461, 1963409, 2524383, 3646331, 5890227, 10938993, 17670681, 25524317, 32816979, 76572951, 229718853]

約数ペア:

[(1, 229718853), (3, 76572951), (7, 32816979), (9, 25524317), (13, 17670681), (21, 10938993), (39, 5890227), (63, 3646331), (91, 2524383), (117, 1963409), (273, 841461), (819, 280487)]