128204001

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{881}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 209139840

約数和(自身を除く): 80935839

約数列:

[1, 3, 9, 19, 23, 37, 57, 69, 111, 171, 207, 333, 437, 703, 851, 881, 1311, 2109, 2553, 2643, 3933, 6327, 7659, 7929, 16169, 16739, 20263, 32597, 48507, 50217, 60789, 97791, 145521, 150651, 182367, 293373, 384997, 619343, 749731, 1154991, 1858029, 2249193, 3464973, 5574087, 6747579, 14244889, 42734667, 128204001]

約数ペア:

[(1, 128204001), (3, 42734667), (9, 14244889), (19, 6747579), (23, 5574087), (37, 3464973), (57, 2249193), (69, 1858029), (111, 1154991), (171, 749731), (207, 619343), (333, 384997), (437, 293373), (703, 182367), (851, 150651), (881, 145521), (1311, 97791), (2109, 60789), (2553, 50217), (2643, 48507), (3933, 32597), (6327, 20263), (7659, 16739), (7929, 16169)]