131856361

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1087}}^1$

素因数の和:1181

約数の個数: 32

約数和(自身を含む): 171573248

約数和(自身を除く): 39716887

約数列:

[1, 7, 13, 31, 43, 91, 217, 301, 403, 559, 1087, 1333, 2821, 3913, 7609, 9331, 14131, 17329, 33697, 46741, 98917, 121303, 235879, 327187, 438061, 607633, 1448971, 3066427, 4253431, 10142797, 18836623, 131856361]

約数ペア:

[(1, 131856361), (7, 18836623), (13, 10142797), (31, 4253431), (43, 3066427), (91, 1448971), (217, 607633), (301, 438061), (403, 327187), (559, 235879), (1087, 121303), (1333, 98917), (2821, 46741), (3913, 33697), (7609, 17329), (9331, 14131)]