28386735

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{977}}^1$

素因数の和:1147

約数の個数: 32

約数和(自身を含む): 49291200

約数和(自身を除く): 20904465

約数列:

[1, 3, 5, 13, 15, 39, 65, 149, 195, 447, 745, 977, 1937, 2235, 2931, 4885, 5811, 9685, 12701, 14655, 29055, 38103, 63505, 145573, 190515, 436719, 727865, 1892449, 2183595, 5677347, 9462245, 28386735]

約数ペア:

[(1, 28386735), (3, 9462245), (5, 5677347), (13, 2183595), (15, 1892449), (39, 727865), (65, 436719), (149, 190515), (195, 145573), (447, 63505), (745, 38103), (977, 29055), (1937, 14655), (2235, 12701), (2931, 9685), (4885, 5811)]