201287919

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{3851}}^1$

素因数の和:4011

約数の個数: 32

約数和(自身を含む): 325416960

約数和(自身を除く): 124129041

約数列:

[1, 3, 7, 19, 21, 57, 131, 133, 393, 399, 917, 2489, 2751, 3851, 7467, 11553, 17423, 26957, 52269, 73169, 80871, 219507, 504481, 512183, 1513443, 1536549, 3531367, 9585139, 10594101, 28755417, 67095973, 201287919]

約数ペア:

[(1, 201287919), (3, 67095973), (7, 28755417), (19, 10594101), (21, 9585139), (57, 3531367), (131, 1536549), (133, 1513443), (393, 512183), (399, 504481), (917, 219507), (2489, 80871), (2751, 73169), (3851, 52269), (7467, 26957), (11553, 17423)]