209804229

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2579}}^1$

素因数の和:2742

約数の個数: 32

約数和(自身を含む): 326937600

約数和(自身を除く): 117133371

約数列:

[1, 3, 9, 23, 27, 69, 131, 207, 393, 621, 1179, 2579, 3013, 3537, 7737, 9039, 23211, 27117, 59317, 69633, 81351, 177951, 337849, 533853, 1013547, 1601559, 3040641, 7770527, 9121923, 23311581, 69934743, 209804229]

約数ペア:

[(1, 209804229), (3, 69934743), (9, 23311581), (23, 9121923), (27, 7770527), (69, 3040641), (131, 1601559), (207, 1013547), (393, 533853), (621, 337849), (1179, 177951), (2579, 81351), (3013, 69633), (3537, 59317), (7737, 27117), (9039, 23211)]