64889181

素因数分解:

$3^4\times 7^2\times {\mathrm{16349}}^1$

素因数の和:16375

約数の個数: 30

約数和(自身を含む): 112765950

約数和(自身を除く): 47876769

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 16349, 49047, 114443, 147141, 343329, 441423, 801101, 1029987, 1324269, 2403303, 3089961, 7209909, 9269883, 21629727, 64889181]

約数ペア:

[(1, 64889181), (3, 21629727), (7, 9269883), (9, 7209909), (21, 3089961), (27, 2403303), (49, 1324269), (63, 1029987), (81, 801101), (147, 441423), (189, 343329), (441, 147141), (567, 114443), (1323, 49047), (3969, 16349)]