72672957

素因数分解:

$3^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1913}}^1$

素因数の和:1999

約数の個数: 40

約数和(自身を含む): 125987136

約数和(自身を除く): 53314179

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 469, 567, 603, 1407, 1809, 1913, 4221, 5427, 5739, 12663, 13391, 17217, 37989, 40173, 51651, 120519, 128171, 154953, 361557, 384513, 897197, 1084671, 1153539, 2691591, 3460617, 8074773, 10381851, 24224319, 72672957]

約数ペア:

[(1, 72672957), (3, 24224319), (7, 10381851), (9, 8074773), (21, 3460617), (27, 2691591), (63, 1153539), (67, 1084671), (81, 897197), (189, 384513), (201, 361557), (469, 154953), (567, 128171), (603, 120519), (1407, 51651), (1809, 40173), (1913, 37989), (4221, 17217), (5427, 13391), (5739, 12663)]