28010961

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2549}}^1$

素因数の和:2606

約数の個数: 32

約数和(自身を含む): 46512000

約数和(自身を除く): 18501039

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 2549, 3663, 7647, 10989, 22941, 28039, 68823, 84117, 94313, 252351, 282939, 757053, 848817, 1037443, 2546451, 3112329, 9336987, 28010961]

約数ペア:

[(1, 28010961), (3, 9336987), (9, 3112329), (11, 2546451), (27, 1037443), (33, 848817), (37, 757053), (99, 282939), (111, 252351), (297, 94313), (333, 84117), (407, 68823), (999, 28039), (1221, 22941), (2549, 10989), (3663, 7647)]