138805215

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 225815040

約数和(自身を除く): 87009825

約数列:

[1, 3, 5, 15, 107, 197, 321, 439, 535, 591, 985, 1317, 1605, 2195, 2955, 6585, 21079, 46973, 63237, 86483, 105395, 140919, 234865, 259449, 316185, 432415, 704595, 1297245, 9253681, 27761043, 46268405, 138805215]

約数ペア:

[(1, 138805215), (3, 46268405), (5, 27761043), (15, 9253681), (107, 1297245), (197, 704595), (321, 432415), (439, 316185), (535, 259449), (591, 234865), (985, 140919), (1317, 105395), (1605, 86483), (2195, 63237), (2955, 46973), (6585, 21079)]