3989727

素因数分解:

$3^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 36

約数和(自身を含む): 6846840

約数和(自身を除く): 2857113

約数列:

[1, 3, 7, 9, 21, 49, 63, 83, 109, 147, 249, 327, 441, 581, 747, 763, 981, 1743, 2289, 4067, 5229, 5341, 6867, 9047, 12201, 16023, 27141, 36603, 48069, 63329, 81423, 189987, 443303, 569961, 1329909, 3989727]

約数ペア:

[(1, 3989727), (3, 1329909), (7, 569961), (9, 443303), (21, 189987), (49, 81423), (63, 63329), (83, 48069), (109, 36603), (147, 27141), (249, 16023), (327, 12201), (441, 9047), (581, 6867), (747, 5341), (763, 5229), (981, 4067), (1743, 2289)]