28107513

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1171}}^1$

素因数の和:1314

約数の個数: 32

約数和(自身を含む): 48005120

約数和(自身を除く): 19897607

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 889, 1143, 1171, 2667, 3429, 3513, 8001, 8197, 10539, 24003, 24591, 31617, 73773, 148717, 221319, 446151, 1041019, 1338453, 3123057, 4015359, 9369171, 28107513]

約数ペア:

[(1, 28107513), (3, 9369171), (7, 4015359), (9, 3123057), (21, 1338453), (27, 1041019), (63, 446151), (127, 221319), (189, 148717), (381, 73773), (889, 31617), (1143, 24591), (1171, 24003), (2667, 10539), (3429, 8197), (3513, 8001)]