218213853

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29921}}^1$

素因数の和:29965

約数の個数: 32

約数和(自身を含む): 361936512

約数和(自身を除く): 143722659

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2431, 7293, 29921, 89763, 329131, 388973, 508657, 987393, 1166919, 1525971, 4278703, 5595227, 6612541, 12836109, 16785681, 19837623, 72737951, 218213853]

約数ペア:

[(1, 218213853), (3, 72737951), (11, 19837623), (13, 16785681), (17, 12836109), (33, 6612541), (39, 5595227), (51, 4278703), (143, 1525971), (187, 1166919), (221, 987393), (429, 508657), (561, 388973), (663, 329131), (2431, 89763), (7293, 29921)]