28330779

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 41140224

約数和(自身を除く): 12809445

約数列:

[1, 3, 23, 53, 61, 69, 127, 159, 183, 381, 1219, 1403, 2921, 3233, 3657, 4209, 6731, 7747, 8763, 9699, 20193, 23241, 74359, 154813, 178181, 223077, 410591, 464439, 534543, 1231773, 9443593, 28330779]

約数ペア:

[(1, 28330779), (3, 9443593), (23, 1231773), (53, 534543), (61, 464439), (69, 410591), (127, 223077), (159, 178181), (183, 154813), (381, 74359), (1219, 23241), (1403, 20193), (2921, 9699), (3233, 8763), (3657, 7747), (4209, 6731)]