28917831

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 42375168

約数和(自身を除く): 13457337

約数列:

[1, 3, 23, 37, 47, 69, 111, 141, 241, 723, 851, 1081, 1739, 2553, 3243, 5217, 5543, 8917, 11327, 16629, 26751, 33981, 39997, 119991, 205091, 260521, 419099, 615273, 781563, 1257297, 9639277, 28917831]

約数ペア:

[(1, 28917831), (3, 9639277), (23, 1257297), (37, 781563), (47, 615273), (69, 419099), (111, 260521), (141, 205091), (241, 119991), (723, 39997), (851, 33981), (1081, 26751), (1739, 16629), (2553, 11327), (3243, 8917), (5217, 5543)]