75123531

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2819}}^1$

素因数の和:2885

約数の個数: 40

約数和(自身を含む): 131028480

約数和(自身を除く): 55904949

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 987, 1269, 2819, 2961, 3807, 8457, 8883, 19733, 25371, 26649, 59199, 76113, 132493, 177597, 228339, 397479, 532791, 927451, 1192437, 1598373, 2782353, 3577311, 8347059, 10731933, 25041177, 75123531]

約数ペア:

[(1, 75123531), (3, 25041177), (7, 10731933), (9, 8347059), (21, 3577311), (27, 2782353), (47, 1598373), (63, 1192437), (81, 927451), (141, 532791), (189, 397479), (329, 228339), (423, 177597), (567, 132493), (987, 76113), (1269, 59199), (2819, 26649), (2961, 25371), (3807, 19733), (8457, 8883)]