128428113

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4127}}^1$

素因数の和:4205

約数の個数: 32

約数和(自身を含む): 199729152

約数和(自身を除く): 71301039

約数列:

[1, 3, 11, 23, 33, 41, 69, 123, 253, 451, 759, 943, 1353, 2829, 4127, 10373, 12381, 31119, 45397, 94921, 136191, 169207, 284763, 507621, 1044131, 1861277, 3132393, 3891761, 5583831, 11675283, 42809371, 128428113]

約数ペア:

[(1, 128428113), (3, 42809371), (11, 11675283), (23, 5583831), (33, 3891761), (41, 3132393), (69, 1861277), (123, 1044131), (253, 507621), (451, 284763), (759, 169207), (943, 136191), (1353, 94921), (2829, 45397), (4127, 31119), (10373, 12381)]