219239853

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1\times {\mathrm{701}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 342081792

約数和(自身を除く): 122841939

約数列:

[1, 3, 7, 21, 53, 159, 281, 371, 701, 843, 1113, 1967, 2103, 4907, 5901, 14721, 14893, 37153, 44679, 104251, 111459, 196981, 260071, 312753, 590943, 780213, 1378867, 4136601, 10439993, 31319979, 73079951, 219239853]

約数ペア:

[(1, 219239853), (3, 73079951), (7, 31319979), (21, 10439993), (53, 4136601), (159, 1378867), (281, 780213), (371, 590943), (701, 312753), (843, 260071), (1113, 196981), (1967, 111459), (2103, 104251), (4907, 44679), (5901, 37153), (14721, 14893)]