12904155

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 24710400

約数和(自身を除く): 11806245

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 131, 165, 199, 393, 495, 597, 655, 995, 1179, 1441, 1791, 1965, 2189, 2985, 4323, 5895, 6567, 7205, 8955, 10945, 12969, 19701, 21615, 26069, 32835, 64845, 78207, 98505, 130345, 234621, 286759, 391035, 860277, 1173105, 1433795, 2580831, 4301385, 12904155]

約数ペア:

[(1, 12904155), (3, 4301385), (5, 2580831), (9, 1433795), (11, 1173105), (15, 860277), (33, 391035), (45, 286759), (55, 234621), (99, 130345), (131, 98505), (165, 78207), (199, 64845), (393, 32835), (495, 26069), (597, 21615), (655, 19701), (995, 12969), (1179, 10945), (1441, 8955), (1791, 7205), (1965, 6567), (2189, 5895), (2985, 4323)]