16678179

素因数分解:

$3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{641}}^1$

素因数の和:720

約数の個数: 36

約数和(自身を含む): 28543320

約数和(自身を除く): 11865141

約数列:

[1, 3, 7, 9, 21, 49, 59, 63, 147, 177, 413, 441, 531, 641, 1239, 1923, 2891, 3717, 4487, 5769, 8673, 13461, 26019, 31409, 37819, 40383, 94227, 113457, 264733, 282681, 340371, 794199, 1853131, 2382597, 5559393, 16678179]

約数ペア:

[(1, 16678179), (3, 5559393), (7, 2382597), (9, 1853131), (21, 794199), (49, 340371), (59, 282681), (63, 264733), (147, 113457), (177, 94227), (413, 40383), (441, 37819), (531, 31409), (641, 26019), (1239, 13461), (1923, 8673), (2891, 5769), (3717, 4487)]