1385181

素因数分解:

$3^4\times 7^2\times {\mathrm{349}}^1$

素因数の和:375

約数の個数: 30

約数和(自身を含む): 2413950

約数和(自身を除く): 1028769

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 349, 441, 567, 1047, 1323, 2443, 3141, 3969, 7329, 9423, 17101, 21987, 28269, 51303, 65961, 153909, 197883, 461727, 1385181]

約数ペア:

[(1, 1385181), (3, 461727), (7, 197883), (9, 153909), (21, 65961), (27, 51303), (49, 28269), (63, 21987), (81, 17101), (147, 9423), (189, 7329), (349, 3969), (441, 3141), (567, 2443), (1047, 1323)]